20750077164156 has 96 divisors (see below), whose sum is σ = 50661177477120. Its totient is φ = 6602660256000.

The previous prime is 20750077164149. The next prime is 20750077164169. The reversal of 20750077164156 is 65146177005702.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20750077164099 and 20750077164108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9080335 + ... + 11133401.

It is an arithmetic number, because the mean of its divisors is an integer number (527720598720).

Almost surely, 2^{20750077164156} is an apocalyptic number.

It is an amenable number.

20750077164156 is an abundant number, since it is smaller than the sum of its proper divisors (29911100312964).

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

20750077164156 is a wasteful number, since it uses less digits than its factorization.

20750077164156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053475 (or 2053473 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 20750077164156 in words is "twenty trillion, seven hundred fifty billion, seventy-seven million, one hundred sixty-four thousand, one hundred fifty-six".