20875152 has 40 divisors (see below), whose sum is σ = 55671040. Its totient is φ = 6733440.

The previous prime is 20875139. The next prime is 20875181. The reversal of 20875152 is 25157802.

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, 5527 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (1391776).

Almost surely, 2^20875152 is an apocalyptic number.

It is an amenable number.

20875152 is an abundant number, since it is smaller than the sum of its proper divisors (34795888).

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

20875152 is a wasteful number, since it uses less digits than its factorization.

20875152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071 (or 14065 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 20875152 is about 4568.9333547339. The cubic root of 20875152 is about 275.3445906176.

The spelling of 20875152 in words is "twenty million, eight hundred seventy-five thousand, one hundred fifty-two".