113321200020 has 96 divisors (see below), whose sum is σ = 364799490048. Its totient is φ = 25746870912.

The previous prime is 113321200019. The next prime is 113321200037. The reversal of 113321200020 is 20002123311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737682 + ... + 877961.

It is an arithmetic number, because the mean of its divisors is an integer number (3799994688).

Almost surely, 2^113321200020 is an apocalyptic number.

113321200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321200020 is an abundant number, since it is smaller than the sum of its proper divisors (251478290028).

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

113321200020 is a wasteful number, since it uses less digits than its factorization.

113321200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615829 (or 1615827 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 113321200020 its reverse (20002123311), we get a palindrome (133323323331).

The spelling of 113321200020 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred thousand, twenty".