113216620 has 24 divisors (see below), whose sum is σ = 259369488. Its totient is φ = 41169600.

The previous prime is 113216599. The next prime is 113216627. The reversal of 113216620 is 26612311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 113216591 and 113216600.

It is not an unprimeable number, because it can be changed into a prime (113216627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257091 + ... + 257530.

It is an arithmetic number, because the mean of its divisors is an integer number (10807062).

Almost surely, 2^113216620 is an apocalyptic number.

113216620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113216620 is an abundant number, since it is smaller than the sum of its proper divisors (146152868).

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

113216620 is a wasteful number, since it uses less digits than its factorization.

113216620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514641 (or 514639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 113216620 is about 10640.3298821042. The cubic root of 113216620 is about 483.7675442718.

Adding to 113216620 its reverse (26612311), we get a palindrome (139828931).

The spelling of 113216620 in words is "one hundred thirteen million, two hundred sixteen thousand, six hundred twenty".