20097164 has 12 divisors (see below), whose sum is σ = 35217000. Its totient is φ = 10035168.

The previous prime is 20097157. The next prime is 20097169. The reversal of 20097164 is 46179002.

It is not an unprimeable number, because it can be changed into a prime (20097169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (2934750).

Almost surely, 2^20097164 is an apocalyptic number.

It is an amenable number.

20097164 is a deficient number, since it is larger than the sum of its proper divisors (15119836).

20097164 is a wasteful number, since it uses less digits than its factorization.

20097164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712 (or 6710 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20097164 is about 4482.9860584213. The cubic root of 20097164 is about 271.8806245192.

The spelling of 20097164 in words is "twenty million, ninety-seven thousand, one hundred sixty-four".