113102200020 has 24 divisors (see below), whose sum is σ = 316686160224. Its totient is φ = 30160586656.

The previous prime is 113102200007. The next prime is 113102200021. The reversal of 113102200020 is 20002201311.

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 = 113102199969 and 113102200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113102200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942518274 + ... + 942518393.

It is an arithmetic number, because the mean of its divisors is an integer number (13195256676).

Almost surely, 2^113102200020 is an apocalyptic number.

113102200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113102200020 is an abundant number, since it is smaller than the sum of its proper divisors (203583960204).

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

113102200020 is a wasteful number, since it uses less digits than its factorization.

113102200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885036679 (or 1885036677 counting only the distinct ones).

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

Adding to 113102200020 its reverse (20002201311), we get a palindrome (133104401331).

The spelling of 113102200020 in words is "one hundred thirteen billion, one hundred two million, two hundred thousand, twenty".