20013657006264 has 32 divisors (see below), whose sum is σ = 50529530071440. Its totient is φ = 6605167328000.

The previous prime is 20013657006253. The next prime is 20013657006271. The reversal of 20013657006264 is 46260075631002.

It is a congruent number.

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, 4128227157 + ... + 4128232004.

Almost surely, 2^{20013657006264} is an apocalyptic number.

20013657006264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20013657006264 is an abundant number, since it is smaller than the sum of its proper divisors (30515873065176).

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

20013657006264 is a wasteful number, since it uses less digits than its factorization.

20013657006264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256459271 (or 8256459267 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20013657006264 in words is "twenty trillion, thirteen billion, six hundred fifty-seven million, six thousand, two hundred sixty-four".