20900292 has 24 divisors (see below), whose sum is σ = 55734336. Its totient is φ = 5971488.

The previous prime is 20900267. The next prime is 20900317. The reversal of 20900292 is 29200902.

It is an interprime number because it is at equal distance from previous prime (20900267) and next prime (20900317).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124323 + ... + 124490.

It is an arithmetic number, because the mean of its divisors is an integer number (2322264).

Almost surely, 2^20900292 is an apocalyptic number.

It is an amenable number.

20900292 is an abundant number, since it is smaller than the sum of its proper divisors (34834044).

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

20900292 is a wasteful number, since it uses less digits than its factorization.

20900292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248827 (or 248825 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20900292 is about 4571.6837160941. The cubic root of 20900292 is about 275.4550790118.

The spelling of 20900292 in words is "twenty million, nine hundred thousand, two hundred ninety-two".