20950896 has 20 divisors (see below), whose sum is σ = 54123272. Its totient is φ = 6983616.

The previous prime is 20950883. The next prime is 20950913. The reversal of 20950896 is 69805902.

It is a happy number.

It is a congruent number.

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, 218191 + ... + 218286.

Almost surely, 2^20950896 is an apocalyptic number.

It is an amenable number.

20950896 is an abundant number, since it is smaller than the sum of its proper divisors (33172376).

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

20950896 is a wasteful number, since it uses less digits than its factorization.

20950896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436488 (or 436482 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 20950896 is about 4577.2148736978. The cubic root of 20950896 is about 275.6772113800.

The spelling of 20950896 in words is "twenty million, nine hundred fifty thousand, eight hundred ninety-six".