20031148 has 12 divisors (see below), whose sum is σ = 35376880. Its totient is φ = 9923472.

The previous prime is 20031139. The next prime is 20031169. The reversal of 20031148 is 84113002.

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, 22536 + ... + 23407.

Almost surely, 2^20031148 is an apocalyptic number.

It is an amenable number.

20031148 is a deficient number, since it is larger than the sum of its proper divisors (15345732).

20031148 is a wasteful number, since it uses less digits than its factorization.

20031148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46056 (or 46054 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20031148 is about 4475.6170524298. The cubic root of 20031148 is about 271.5826030359.

The spelling of 20031148 in words is "twenty million, thirty-one thousand, one hundred forty-eight".