20073136 has 20 divisors (see below), whose sum is σ = 39720672. Its totient is φ = 9822656.

The previous prime is 20073127. The next prime is 20073143. The reversal of 20073136 is 63137002.

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, 12595 + ... + 14098.

Almost surely, 2^20073136 is an apocalyptic number.

It is an amenable number.

20073136 is a deficient number, since it is larger than the sum of its proper divisors (19647536).

20073136 is a wasteful number, since it uses less digits than its factorization.

20073136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26748 (or 26742 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 20073136 is about 4480.3053467370. The cubic root of 20073136 is about 271.7722285804.

The spelling of 20073136 in words is "twenty million, seventy-three thousand, one hundred thirty-six".