20922465316 has 27 divisors (see below), whose sum is σ = 37849745073. Its totient is φ = 10119434160.

The previous prime is 20922465259. The next prime is 20922465337. The reversal of 20922465316 is 61356422902.

The square root of 20922465316 is 144646.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7162236900 + 13760228416 = 84630^2 + 117304^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8966886 + ... + 8969218.

Almost surely, 2^20922465316 is an apocalyptic number.

20922465316 is the 144646-th square number.

It is an amenable number.

20922465316 is a deficient number, since it is larger than the sum of its proper divisors (16927279757).

20922465316 is an frugal number, since it uses more digits than its factorization.

20922465316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 20922465316 in words is "twenty billion, nine hundred twenty-two million, four hundred sixty-five thousand, three hundred sixteen".