20986037376 has 32 divisors (see below), whose sum is σ = 55744162800. Its totient is φ = 6995345664.

The previous prime is 20986037323. The next prime is 20986037441. The reversal of 20986037376 is 67373068902.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27325186 + ... + 27325953.

Almost surely, 2^20986037376 is an apocalyptic number.

It is an amenable number.

20986037376 is an abundant number, since it is smaller than the sum of its proper divisors (34758125424).

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

20986037376 is an equidigital number, since it uses as much as digits as its factorization.

20986037376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54651156 (or 54651144 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 20986037376 in words is "twenty billion, nine hundred eighty-six million, thirty-seven thousand, three hundred seventy-six".