20862969024 has 56 divisors (see below), whose sum is σ = 58447003248. Its totient is φ = 6545244160.

The previous prime is 20862968993. The next prime is 20862969077. The reversal of 20862969024 is 42096926802.

It is a happy number.

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

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, 3192657 + ... + 3199184.

Almost surely, 2^20862969024 is an apocalyptic number.

20862969024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20862969024 is an abundant number, since it is smaller than the sum of its proper divisors (37584034224).

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

20862969024 is a wasteful number, since it uses less digits than its factorization.

20862969024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391873 (or 6391863 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 20862969024 in words is "twenty billion, eight hundred sixty-two million, nine hundred sixty-nine thousand, twenty-four".