20130164 has 12 divisors (see below), whose sum is σ = 35331744. Its totient is φ = 10035384.

The previous prime is 20130163. The next prime is 20130167. The reversal of 20130164 is 46103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130163) 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, 5864 + ... + 8639.

It is an arithmetic number, because the mean of its divisors is an integer number (2944312).

Almost surely, 2^20130164 is an apocalyptic number.

It is an amenable number.

20130164 is a deficient number, since it is larger than the sum of its proper divisors (15201580).

20130164 is a wasteful number, since it uses less digits than its factorization.

20130164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854 (or 14852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20130164 is about 4486.6651312528. The cubic root of 20130164 is about 272.0293545309.

Adding to 20130164 its reverse (46103102), we get a palindrome (66233266).

The spelling of 20130164 in words is "twenty million, one hundred thirty thousand, one hundred sixty-four".