20231164 has 12 divisors (see below), whose sum is σ = 35480088. Its totient is φ = 10094000.

The previous prime is 20231161. The next prime is 20231171. The reversal of 20231164 is 46113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231161) 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, 3187 + ... + 7114.

It is an arithmetic number, because the mean of its divisors is an integer number (2956674).

Almost surely, 2^20231164 is an apocalyptic number.

It is an amenable number.

20231164 is a deficient number, since it is larger than the sum of its proper divisors (15248924).

20231164 is a wasteful number, since it uses less digits than its factorization.

20231164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10796 (or 10794 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20231164 is about 4497.9066241975. The cubic root of 20231164 is about 272.4835508967.

Adding to 20231164 its reverse (46113202), we get a palindrome (66344366).

The spelling of 20231164 in words is "twenty million, two hundred thirty-one thousand, one hundred sixty-four".