20158160 has 40 divisors (see below), whose sum is σ = 51130656. Its totient is φ = 7329920.

The previous prime is 20158109. The next prime is 20158163. The reversal of 20158160 is 6185102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20158163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10574 + ... + 12333.

Almost surely, 2^20158160 is an apocalyptic number.

20158160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20158160 is an abundant number, since it is smaller than the sum of its proper divisors (30972496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20158160 is a wasteful number, since it uses less digits than its factorization.

20158160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931 (or 22925 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 20158160 is about 4489.7839591677. The cubic root of 20158160 is about 272.1554042741.

The spelling of 20158160 in words is "twenty million, one hundred fifty-eight thousand, one hundred sixty".