20013056046464 has 64 divisors (see below), whose sum is σ = 42944636700000. Its totient is φ = 9235080118272.

The previous prime is 20013056046437. The next prime is 20013056046481. The reversal of 20013056046464 is 46464065031002.

It is a tau number, because it is divible by the number of its divisors (64).

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, 7870112 + ... + 10097760.

Almost surely, 2^{20013056046464} is an apocalyptic number.

It is an amenable number.

20013056046464 is an abundant number, since it is smaller than the sum of its proper divisors (22931580653536).

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

20013056046464 is a wasteful number, since it uses less digits than its factorization.

20013056046464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233075 (or 2233063 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 20013056046464 in words is "twenty trillion, thirteen billion, fifty-six million, forty-six thousand, four hundred sixty-four".