20027164 has 12 divisors (see below), whose sum is σ = 35862904. Its totient is φ = 9780624.

The previous prime is 20027131. The next prime is 20027177. The reversal of 20027164 is 46172002.

It is a congruent number.

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, 58047 + ... + 58390.

Almost surely, 2^20027164 is an apocalyptic number.

It is an amenable number.

20027164 is a deficient number, since it is larger than the sum of its proper divisors (15835740).

20027164 is a wasteful number, since it uses less digits than its factorization.

20027164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116484 (or 116482 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20027164 is about 4475.1719520036. The cubic root of 20027164 is about 271.5645967983.

Adding to 20027164 its reverse (46172002), we get a palindrome (66199166).

The spelling of 20027164 in words is "twenty million, twenty-seven thousand, one hundred sixty-four".