20925162 has 16 divisors (see below), whose sum is σ = 46500480. Its totient is φ = 6975036.

The previous prime is 20925139. The next prime is 20925169. The reversal of 20925162 is 26152902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20925169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193698 + ... + 193805.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^20925162 is an apocalyptic number.

20925162 is an abundant number, since it is smaller than the sum of its proper divisors (25575318).

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

20925162 is a wasteful number, since it uses less digits than its factorization.

20925162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387514 (or 387508 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20925162 is about 4574.4029118564. The cubic root of 20925162 is about 275.5642936321.

The spelling of 20925162 in words is "twenty million, nine hundred twenty-five thousand, one hundred sixty-two".