20057372 has 12 divisors (see below), whose sum is σ = 36232896. Its totient is φ = 9705120.

The previous prime is 20057371. The next prime is 20057381. The reversal of 20057372 is 27375002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80753 + ... + 81000.

It is an arithmetic number, because the mean of its divisors is an integer number (3019408).

Almost surely, 2^20057372 is an apocalyptic number.

It is an amenable number.

20057372 is a deficient number, since it is larger than the sum of its proper divisors (16175524).

20057372 is a wasteful number, since it uses less digits than its factorization.

20057372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161788 (or 161786 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 20057372 is about 4478.5457461100. The cubic root of 20057372 is about 271.7010664825.

The spelling of 20057372 in words is "twenty million, fifty-seven thousand, three hundred seventy-two".