20023937236992 has 128 divisors (see below), whose sum is σ = 57503766489120. Its totient is φ = 6161211064320.

The previous prime is 20023937236981. The next prime is 20023937237009. The reversal of 20023937236992 is 29963273932002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×20023937236992² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6556434 + ... + 9112337.

Almost surely, 2^{20023937236992} is an apocalyptic number.

It is an amenable number.

20023937236992 is an abundant number, since it is smaller than the sum of its proper divisors (37479829252128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023937236992 is an equidigital number, since it uses as much as digits as its factorization.

20023937236992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668817 (or 15668789 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 57.

The spelling of 20023937236992 in words is "twenty trillion, twenty-three billion, nine hundred thirty-seven million, two hundred thirty-six thousand, nine hundred ninety-two".