Twentyplex is a number equal to 20400 ≈ 2.58224987809 × 10520.[1] It was coined by googologist Instrumentalism.
Its decimal expansion is shown below:
25822498780869085896559191720030118743297057928292235128306593565406476220168411946296453532801378314359031719727474933760000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000