220131130220 has 24 divisors (see below), whose sum is σ = 462715261008. Its totient is φ = 87968664000.

The previous prime is 220131130207. The next prime is 220131130253. The reversal of 220131130220 is 22031131022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215211 + ... + 5257250.

It is an arithmetic number, because the mean of its divisors is an integer number (19279802542).

Almost surely, 2^220131130220 is an apocalyptic number.

220131130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131130220 is an abundant number, since it is smaller than the sum of its proper divisors (242584130788).

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

220131130220 is a wasteful number, since it uses less digits than its factorization.

220131130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473521 (or 10473519 counting only the distinct ones).

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

Adding to 220131130220 its reverse (22031131022), we get a palindrome (242162261242).

The spelling of 220131130220 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twenty".