640 x 32500
640 x 32500 = 20800000
Example of 640 x 32500 pixels banner dimensions.
590 x 32550 600 x 32540 610 x 32530 620 x 32520 630 x 32510
640 x 32450 640 x 32460 640 x 32470 640 x 32480 640 x 32490
640 x 32550 640 x 32540 640 x 32530 640 x 32520 640 x 32510