20953792 has 28 divisors (see below), whose sum is σ = 44028360. Its totient is φ = 9860096.

The previous prime is 20953717. The next prime is 20953811. The reversal of 20953792 is 29735902.

It is a super-2 number, since 2×20953792² = 878122798358528, which contains 22 as substring.

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, 8542 + ... + 10717.

Almost surely, 2^20953792 is an apocalyptic number.

It is an amenable number.

20953792 is an abundant number, since it is smaller than the sum of its proper divisors (23074568).

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

20953792 is a wasteful number, since it uses less digits than its factorization.

20953792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19288 (or 19278 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 20953792 is about 4577.5312123458. The cubic root of 20953792 is about 275.6899128960.

The spelling of 20953792 in words is "twenty million, nine hundred fifty-three thousand, seven hundred ninety-two".