20973913350 has 96 divisors (see below), whose sum is σ = 57823632384. Its totient is φ = 4996252800.

The previous prime is 20973913327. The next prime is 20973913399. The reversal of 20973913350 is 5331937902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113032 + ... + 233931.

It is an arithmetic number, because the mean of its divisors is an integer number (602329504).

Almost surely, 2^20973913350 is an apocalyptic number.

20973913350 is an abundant number, since it is smaller than the sum of its proper divisors (36849719034).

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

20973913350 is a wasteful number, since it uses less digits than its factorization.

20973913350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347022 (or 347017 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 42.

The spelling of 20973913350 in words is "twenty billion, nine hundred seventy-three million, nine hundred thirteen thousand, three hundred fifty".