20337952 has 24 divisors (see below), whose sum is σ = 40212396. Its totient is φ = 10125312.

The previous prime is 20337943. The next prime is 20337959. The reversal of 20337952 is 25973302.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 3984016 = 4044^2 + 1996^2 .

It is not an unprimeable number, because it can be changed into a prime (20337959) 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, 6988 + ... + 9460.

Almost surely, 2^20337952 is an apocalyptic number.

It is an amenable number.

20337952 is a deficient number, since it is larger than the sum of its proper divisors (19874444).

20337952 is a wasteful number, since it uses less digits than its factorization.

20337952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 20337952 is about 4509.7618562403. The cubic root of 20337952 is about 272.9621347654.

The spelling of 20337952 in words is "twenty million, three hundred thirty-seven thousand, nine hundred fifty-two".