20954792 has 16 divisors (see below), whose sum is σ = 39363540. Its totient is φ = 10457856.

The previous prime is 20954779. The next prime is 20954807. The reversal of 20954792 is 29745902.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 4519876 = 4054^2 + 2126^2 .

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, 2768 + ... + 7040.

Almost surely, 2^20954792 is an apocalyptic number.

It is an amenable number.

20954792 is a deficient number, since it is larger than the sum of its proper divisors (18408748).

20954792 is a wasteful number, since it uses less digits than its factorization.

20954792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 20954792 is about 4577.6404402268. The cubic root of 20954792 is about 275.6942985068.

The spelling of 20954792 in words is "twenty million, nine hundred fifty-four thousand, seven hundred ninety-two".