20136128 has 14 divisors (see below), whose sum is σ = 39957756. Its totient is φ = 10068032.

The previous prime is 20136119. The next prime is 20136167. The reversal of 20136128 is 82163102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157250 + ... + 157377.

Almost surely, 2^20136128 is an apocalyptic number.

It is an amenable number.

20136128 is a deficient number, since it is larger than the sum of its proper divisors (19821628).

20136128 is an equidigital number, since it uses as much as digits as its factorization.

20136128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314639 (or 314629 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20136128 is about 4487.3297182177. The cubic root of 20136128 is about 272.0562167541.

The spelling of 20136128 in words is "twenty million, one hundred thirty-six thousand, one hundred twenty-eight".