Filed pursuant to Rule 424(b)(3)
                                      Registration No. 333-59355

Prospectus Supplement No. 20
(To Prospectus dated August 10, 1998
and to Prospectus Supplement No. 15
dated May 7, 1999)

                                $1,012,198,000
                              XEROX CORPORATION
                 CONVERTIBLE SUBORDINATED DEBENTURES DUE 2018

The information contained under the heading "Selling Security Holders"
in the Prospectus dated August 10, 1998 ("Prospectus"), as supplemented
by Prospectus Supplement No. 15 dated May 7, 1999 (the "Prior Supplement"),
relating to $1,012,198,000 aggregate principal amount at maturity of
Convertible Subordinated Debentures due 2018 ("Debentures") of Xerox
Corporation (the "Company"), and such indeterminate number of shares of
Common Stock, par value $1.00 per share, of the Company as may be issuable
upon the conversion of the Debentures, that may be offered and sold from
time to time by the several holders thereof is hereby amended and
supplemented as follows:

                             PRINCIPAL AMOUNT AT        PRINCIPAL AMOUNT AT
                            MATURITY OF DEBENTURES    MATURITY OF DEBENTURES
                            BENEFICIALLY OWNED AND    PREVIOUSLY SPECIFIED IN
SELLING HOLDER            THAT MAY BE OFFERED HEREBY    THE PROSPECTUS AND
                                                         PRIOR SUPPLEMENT
- --------------            --------------------------  -----------------------
                                            (In U.S. Dollars)

Bear, Stearns & Co. Inc. . . .   15,000,000                    500,000

GLG Global Convertible
Fund  . . . .  . . . . . . . .    1,000,000                       None

Investcorp-SAM Fund
Limited  . . . . . . . . . . .   11,100,000                  8,200,000


The date of this Prospectus Supplement is November 23, 1999.