20337231808 has 28 divisors (see below), whose sum is σ = 40370655352. Its totient is φ = 10165098240.

The previous prime is 20337231779. The next prime is 20337231829. The reversal of 20337231808 is 80813273302.

It is a super-2 number, since 2×20337231808² (a number of 21 digits) contains 22 as substring.

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, 136666 + ... + 243622.

Almost surely, 2^20337231808 is an apocalyptic number.

It is an amenable number.

20337231808 is a deficient number, since it is larger than the sum of its proper divisors (20033423544).

20337231808 is a wasteful number, since it uses less digits than its factorization.

20337231808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109940 (or 109930 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 20337231808 in words is "twenty billion, three hundred thirty-seven million, two hundred thirty-one thousand, eight hundred eight".