131202110220 has 96 divisors (see below), whose sum is σ = 381541708800. Its totient is φ = 33662390784.

The previous prime is 131202110219. The next prime is 131202110227. The reversal of 131202110220 is 22011202131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131202110220.

It is not an unprimeable number, because it can be changed into a prime (131202110227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227905 + ... + 560664.

It is an arithmetic number, because the mean of its divisors is an integer number (3974392800).

Almost surely, 2^131202110220 is an apocalyptic number.

131202110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202110220 is an abundant number, since it is smaller than the sum of its proper divisors (250339598580).

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

131202110220 is a wasteful number, since it uses less digits than its factorization.

131202110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788687 (or 788685 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131202110220 its reverse (22011202131), we get a palindrome (153213312351).

The spelling of 131202110220 in words is "one hundred thirty-one billion, two hundred two million, one hundred ten thousand, two hundred twenty".