20938368096 has 72 divisors (see below), whose sum is σ = 60519657744. Its totient is φ = 6865032960.

The previous prime is 20938368091. The next prime is 20938368127. The reversal of 20938368096 is 69086383902.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20938368091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578356 + ... + 613491.

It is an arithmetic number, because the mean of its divisors is an integer number (840550802).

Almost surely, 2^20938368096 is an apocalyptic number.

It is an amenable number.

20938368096 is an abundant number, since it is smaller than the sum of its proper divisors (39581289648).

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

20938368096 is a wasteful number, since it uses less digits than its factorization.

20938368096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191924 (or 1191913 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 20938368096 in words is "twenty billion, nine hundred thirty-eight million, three hundred sixty-eight thousand, ninety-six".