20097792176688 has 120 divisors (see below), whose sum is σ = 57444800964096. Its totient is φ = 6556478256000.

The previous prime is 20097792176663. The next prime is 20097792176711. The reversal of 20097792176688 is 88667129779002.

20097792176688 is a `hidden beast` number, since 200 + 9 + 7 + 79 + 217 + 66 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286867263 + ... + 286937313.

Almost surely, 2^{20097792176688} is an apocalyptic number.

It is an amenable number.

20097792176688 is an abundant number, since it is smaller than the sum of its proper divisors (37347008787408).

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

20097792176688 is a wasteful number, since it uses less digits than its factorization.

20097792176688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112503 (or 112494 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 20097792176688 in words is "twenty trillion, ninety-seven billion, seven hundred ninety-two million, one hundred seventy-six thousand, six hundred eighty-eight".