20371902 has 16 divisors (see below), whose sum is σ = 41148432. Its totient is φ = 6723200.

The previous prime is 20371873. The next prime is 20371927. The reversal of 20371902 is 20917302.

It is a congruent number.

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, 16203 + ... + 17414.

It is an arithmetic number, because the mean of its divisors is an integer number (2571777).

Almost surely, 2^20371902 is an apocalyptic number.

20371902 is an abundant number, since it is smaller than the sum of its proper divisors (20776530).

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

20371902 is a wasteful number, since it uses less digits than its factorization.

20371902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33723.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20371902 is about 4513.5243435701. The cubic root of 20371902 is about 273.1139349199.

The spelling of 20371902 in words is "twenty million, three hundred seventy-one thousand, nine hundred two".