20037868 has 12 divisors (see below), whose sum is σ = 36014272. Its totient is φ = 9748080.

The previous prime is 20037859. The next prime is 20037881. The reversal of 20037868 is 86873002.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67548 + ... + 67843.

Almost surely, 2^20037868 is an apocalyptic number.

It is an amenable number.

20037868 is a deficient number, since it is larger than the sum of its proper divisors (15976404).

20037868 is a wasteful number, since it uses less digits than its factorization.

20037868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135432 (or 135430 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20037868 is about 4476.3677239476. The cubic root of 20037868 is about 271.6129695937.

The spelling of 20037868 in words is "twenty million, thirty-seven thousand, eight hundred sixty-eight".