20996875224 has 96 divisors (see below), whose sum is σ = 64464145200. Its totient is φ = 6120541440.

The previous prime is 20996875217. The next prime is 20996875261. The reversal of 20996875224 is 42257869902.

20996875224 is a `hidden beast` number, since 20 + 9 + 96 + 8 + 7 + 522 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572547 + ... + 608114.

Almost surely, 2^20996875224 is an apocalyptic number.

20996875224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20996875224 is an abundant number, since it is smaller than the sum of its proper divisors (43467269976).

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

20996875224 is a wasteful number, since it uses less digits than its factorization.

20996875224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180705 (or 1180698 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 20996875224 in words is "twenty billion, nine hundred ninety-six million, eight hundred seventy-five thousand, two hundred twenty-four".