113311020020 has 48 divisors (see below), whose sum is σ = 259969022208. Its totient is φ = 41143090560.

The previous prime is 113311020007. The next prime is 113311020029. The reversal of 113311020020 is 20020113311.

It is a junction number, because it is equal to n+sod(n) for n = 113311019977 and 113311020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231452 + ... + 529331.

It is an arithmetic number, because the mean of its divisors is an integer number (5416021296).

Almost surely, 2^113311020020 is an apocalyptic number.

113311020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113311020020 is an abundant number, since it is smaller than the sum of its proper divisors (146658002188).

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

113311020020 is a wasteful number, since it uses less digits than its factorization.

113311020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761480 (or 761478 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113311020020 its reverse (20020113311), we get a palindrome (133331133331).

The spelling of 113311020020 in words is "one hundred thirteen billion, three hundred eleven million, twenty thousand, twenty".