20117034077652 has 36 divisors (see below), whose sum is σ = 51217229059360. Its totient is φ = 6657435736272.

The previous prime is 20117034077611. The next prime is 20117034077687. The reversal of 20117034077652 is 25677043071102.

20117034077652 is a `hidden beast` number, since 2 + 0 + 1 + 170 + 3 + 407 + 76 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20117034077598 and 20117034077607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2010090328 + ... + 2010100335.

Almost surely, 2^{20117034077652} is an apocalyptic number.

It is an amenable number.

20117034077652 is an abundant number, since it is smaller than the sum of its proper divisors (31100194981708).

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

20117034077652 is a wasteful number, since it uses less digits than its factorization.

20117034077652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020190812 (or 4020190807 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 20117034077652 in words is "twenty trillion, one hundred seventeen billion, thirty-four million, seventy-seven thousand, six hundred fifty-two".