113202133220 has 36 divisors (see below), whose sum is σ = 261300466812. Its totient is φ = 41164411200.

The previous prime is 113202133189. The next prime is 113202133223. The reversal of 113202133220 is 22331202311.

It can be written as a sum of positive squares in 2 ways, for example, as 87218627584 + 25983505636 = 295328^2 + 161194^2 .

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 = 113202133192 and 113202133201.

It is not an unprimeable number, because it can be changed into a prime (113202133223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23386451 + ... + 23391290.

Almost surely, 2^113202133220 is an apocalyptic number.

113202133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113202133220 is an abundant number, since it is smaller than the sum of its proper divisors (148098333592).

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

113202133220 is a wasteful number, since it uses less digits than its factorization.

113202133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46777772 (or 46777759 counting only the distinct ones).

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

Adding to 113202133220 its reverse (22331202311), we get a palindrome (135533335531).

The spelling of 113202133220 in words is "one hundred thirteen billion, two hundred two million, one hundred thirty-three thousand, two hundred twenty".