20797372 has 12 divisors (see below), whose sum is σ = 36526896. Its totient is φ = 10361120.

The previous prime is 20797363. The next prime is 20797411. The reversal of 20797372 is 27379702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8128 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (3043908).

Almost surely, 2^20797372 is an apocalyptic number.

It is an amenable number.

20797372 is a deficient number, since it is larger than the sum of its proper divisors (15729524).

20797372 is a wasteful number, since it uses less digits than its factorization.

20797372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18788 (or 18786 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 20797372 is about 4560.4135777361. The cubic root of 20797372 is about 275.0021906162.

It can be divided in two parts, 207 and 97372, that added together give a palindrome (97579).

The spelling of 20797372 in words is "twenty million, seven hundred ninety-seven thousand, three hundred seventy-two".