220231113020 has 24 divisors (see below), whose sum is σ = 462570565968. Its totient is φ = 88076211200.

The previous prime is 220231112987. The next prime is 220231113071. The reversal of 220231113020 is 20311132022.

It is a self number, because there is not a number n which added to its sum of digits gives 220231113020.

It is a congruent number.

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, 903086 + ... + 1120725.

It is an arithmetic number, because the mean of its divisors is an integer number (19273773582).

Almost surely, 2^220231113020 is an apocalyptic number.

220231113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220231113020 is an abundant number, since it is smaller than the sum of its proper divisors (242339452948).

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

220231113020 is a wasteful number, since it uses less digits than its factorization.

220231113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029261 (or 2029259 counting only the distinct ones).

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

Adding to 220231113020 its reverse (20311132022), we get a palindrome (240542245042).

The spelling of 220231113020 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred thirteen thousand, twenty".