113104220020 has 72 divisors (see below), whose sum is σ = 261263923200. Its totient is φ = 41098960320.

The previous prime is 113104220017. The next prime is 113104220027. The reversal of 113104220020 is 20022401311.

It is a junction number, because it is equal to n+sod(n) for n = 113104219976 and 113104220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113104220027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3466141 + ... + 3498619.

It is an arithmetic number, because the mean of its divisors is an integer number (3628665600).

Almost surely, 2^113104220020 is an apocalyptic number.

113104220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113104220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130631961600).

113104220020 is an abundant number, since it is smaller than the sum of its proper divisors (148159703180).

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

113104220020 is a wasteful number, since it uses less digits than its factorization.

113104220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33949 (or 33936 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 113104220020 its reverse (20022401311), we get a palindrome (133126621331).

The spelling of 113104220020 in words is "one hundred thirteen billion, one hundred four million, two hundred twenty thousand, twenty".