220131113020 has 48 divisors (see below), whose sum is σ = 568954266048. Its totient is φ = 69667868160.

The previous prime is 220131112997. The next prime is 220131113029. The reversal of 220131113020 is 20311131022.

It is a junction number, because it is equal to n+sod(n) for n = 220131112985 and 220131113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131113029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60473761 + ... + 60477400.

It is an arithmetic number, because the mean of its divisors is an integer number (11853213876).

Almost surely, 2^220131113020 is an apocalyptic number.

220131113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131113020 is an abundant number, since it is smaller than the sum of its proper divisors (348823153028).

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

220131113020 is a wasteful number, since it uses less digits than its factorization.

220131113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120951190 (or 120951188 counting only the distinct ones).

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

Adding to 220131113020 its reverse (20311131022), we get a palindrome (240442244042).

The spelling of 220131113020 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred thirteen thousand, twenty".