220131120 has 80 divisors (see below), whose sum is σ = 744452352. Its totient is φ = 53364480.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131120 is 21131022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220131096 and 220131105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39052 + ... + 44331.

Almost surely, 2^220131120 is an apocalyptic number.

220131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131120 is an abundant number, since it is smaller than the sum of its proper divisors (524321232).

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

220131120 is a wasteful number, since it uses less digits than its factorization.

220131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83410 (or 83404 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 220131120 is about 14836.8163700977. The cubic root of 220131120 is about 603.8009811679.

Adding to 220131120 its reverse (21131022), we get a palindrome (241262142).

The spelling of 220131120 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred twenty".