131160220 has 12 divisors (see below), whose sum is σ = 275436504. Its totient is φ = 52464080.

The previous prime is 131160209. The next prime is 131160223. The reversal of 131160220 is 22061131.

It is a junction number, because it is equal to n+sod(n) for n = 131160194 and 131160203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131160223) 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, 3278986 + ... + 3279025.

It is an arithmetic number, because the mean of its divisors is an integer number (22953042).

Almost surely, 2^131160220 is an apocalyptic number.

131160220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131160220 is an abundant number, since it is smaller than the sum of its proper divisors (144276284).

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

131160220 is a wasteful number, since it uses less digits than its factorization.

131160220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558020 (or 6558018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131160220 is about 11452.5202466531. The cubic root of 131160220 is about 508.0822763383.

The spelling of 131160220 in words is "one hundred thirty-one million, one hundred sixty thousand, two hundred twenty".