113302122020 has 96 divisors (see below), whose sum is σ = 252640080000. Its totient is φ = 42562326528.

The previous prime is 113302122007. The next prime is 113302122023. The reversal of 113302122020 is 20221203311.

It is a self number, because there is not a number n which added to its sum of digits gives 113302122020.

It is not an unprimeable number, because it can be changed into a prime (113302122023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49068626 + ... + 49070934.

It is an arithmetic number, because the mean of its divisors is an integer number (2631667500).

Almost surely, 2^113302122020 is an apocalyptic number.

113302122020 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 113302122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126320040000).

113302122020 is an abundant number, since it is smaller than the sum of its proper divisors (139337957980).

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

113302122020 is a wasteful number, since it uses less digits than its factorization.

113302122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113302122020 its reverse (20221203311), we get a palindrome (133523325331).

The spelling of 113302122020 in words is "one hundred thirteen billion, three hundred two million, one hundred twenty-two thousand, twenty".