20016964992 has 64 divisors (see below), whose sum is σ = 53192102400. Its totient is φ = 6669556224.

The previous prime is 20016964951. The next prime is 20016965039. The reversal of 20016964992 is 29946961002.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053109 + ... + 1071947.

It is an arithmetic number, because the mean of its divisors is an integer number (831126600).

Almost surely, 2^20016964992 is an apocalyptic number.

It is an amenable number.

20016964992 is an abundant number, since it is smaller than the sum of its proper divisors (33175137408).

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

20016964992 is a wasteful number, since it uses less digits than its factorization.

20016964992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623 (or 21611 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 20016964992 in words is "twenty billion, sixteen million, nine hundred sixty-four thousand, nine hundred ninety-two".