113202020 has 12 divisors (see below), whose sum is σ = 237724284. Its totient is φ = 45280800.

The previous prime is 113202013. The next prime is 113202029. The reversal of 113202020 is 20202311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 83868964 = 5416^2 + 9158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113201992 and 113202010.

It is not an unprimeable number, because it can be changed into a prime (113202029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2830031 + ... + 2830070.

It is an arithmetic number, because the mean of its divisors is an integer number (19810357).

Almost surely, 2^113202020 is an apocalyptic number.

113202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113202020 is an abundant number, since it is smaller than the sum of its proper divisors (124522264).

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

113202020 is a wasteful number, since it uses less digits than its factorization.

113202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660110 (or 5660108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 113202020 is about 10639.6437910298. The cubic root of 113202020 is about 483.7467484152.

Adding to 113202020 its reverse (20202311), we get a palindrome (133404331).

The spelling of 113202020 in words is "one hundred thirteen million, two hundred two thousand, twenty".