113565650220 has 144 divisors (see below), whose sum is σ = 376916406048. Its totient is φ = 27449210880.

The previous prime is 113565650213. The next prime is 113565650221. The reversal of 113565650220 is 22056565311.

113565650220 is a `hidden beast` number, since 1 + 13 + 565 + 65 + 0 + 2 + 20 = 666.

113565650220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (113565650221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 582162 + ... + 752358.

It is an arithmetic number, because the mean of its divisors is an integer number (2617475042).

Almost surely, 2^113565650220 is an apocalyptic number.

113565650220 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 113565650220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188458203024).

113565650220 is an abundant number, since it is smaller than the sum of its proper divisors (263350755828).

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

113565650220 is a wasteful number, since it uses less digits than its factorization.

113565650220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170560 (or 170555 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 113565650220 in words is "one hundred thirteen billion, five hundred sixty-five million, six hundred fifty thousand, two hundred twenty".