20016936658264 has 32 divisors (see below), whose sum is σ = 46192930751520. Its totient is φ = 7918788128256.

The previous prime is 20016936658231. The next prime is 20016936658307. The reversal of 20016936658264 is 46285663961002.

It is a junction number, because it is equal to n+sod(n) for n = 20016936658199 and 20016936658208.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13747895329 + ... + 13747896784.

It is an arithmetic number, because the mean of its divisors is an integer number (1443529085985).

Almost surely, 2^{20016936658264} is an apocalyptic number.

It is an amenable number.

20016936658264 is an abundant number, since it is smaller than the sum of its proper divisors (26175994093256).

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

20016936658264 is a wasteful number, since it uses less digits than its factorization.

20016936658264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27495792139 (or 27495792135 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 20016936658264 in words is "twenty trillion, sixteen billion, nine hundred thirty-six million, six hundred fifty-eight thousand, two hundred sixty-four".