113323003220 has 96 divisors (see below), whose sum is σ = 275274236160. Its totient is φ = 38384409600.

The previous prime is 113323003193. The next prime is 113323003237. The reversal of 113323003220 is 22300323311.

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 = 113323003192 and 113323003201.

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, 5284520 + ... + 5305920.

It is an arithmetic number, because the mean of its divisors is an integer number (2867439960).

Almost surely, 2^113323003220 is an apocalyptic number.

113323003220 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 113323003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137637118080).

113323003220 is an abundant number, since it is smaller than the sum of its proper divisors (161951232940).

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

113323003220 is a wasteful number, since it uses less digits than its factorization.

113323003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21873 (or 21871 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 113323003220 its reverse (22300323311), we get a palindrome (135623326531).

The spelling of 113323003220 in words is "one hundred thirteen billion, three hundred twenty-three million, three thousand, two hundred twenty".