20037128 has 32 divisors (see below), whose sum is σ = 38942400. Its totient is φ = 9657792.

The previous prime is 20037109. The next prime is 20037179. The reversal of 20037128 is 82173002.

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 7 ways as a sum of consecutive naturals, for example, 40901 + ... + 41387.

It is an arithmetic number, because the mean of its divisors is an integer number (1216950).

Almost surely, 2^20037128 is an apocalyptic number.

It is an amenable number.

20037128 is a deficient number, since it is larger than the sum of its proper divisors (18905272).

20037128 is a wasteful number, since it uses less digits than its factorization.

20037128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20037128 is about 4476.2850668830. The cubic root of 20037128 is about 271.6096259900.

The spelling of 20037128 in words is "twenty million, thirty-seven thousand, one hundred twenty-eight".