113201323220 has 48 divisors (see below), whose sum is σ = 253046203200. Its totient is φ = 42415338240.

The previous prime is 113201323181. The next prime is 113201323229. The reversal of 113201323220 is 22323102311.

It is a super-2 number, since 2×113201323220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113201323192 and 113201323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113201323229) 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 15 ways as a sum of consecutive naturals, for example, 1639766 + ... + 1707405.

It is an arithmetic number, because the mean of its divisors is an integer number (5271795900).

Almost surely, 2^113201323220 is an apocalyptic number.

113201323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113201323220 is an abundant number, since it is smaller than the sum of its proper divisors (139844879980).

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

113201323220 is a wasteful number, since it uses less digits than its factorization.

113201323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347288 (or 3347286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113201323220 its reverse (22323102311), we get a palindrome (135524425531).

The spelling of 113201323220 in words is "one hundred thirteen billion, two hundred one million, three hundred twenty-three thousand, two hundred twenty".