113232122020 has 144 divisors (see below), whose sum is σ = 266934745728. Its totient is φ = 40196316160.

The previous prime is 113232121987. The next prime is 113232122021. The reversal of 113232122020 is 20221232311.

It is not an unprimeable number, because it can be changed into a prime (113232122021) 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, 12765627 + ... + 12774493.

It is an arithmetic number, because the mean of its divisors is an integer number (1853713512).

Almost surely, 2^113232122020 is an apocalyptic number.

113232122020 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 113232122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133467372864).

113232122020 is an abundant number, since it is smaller than the sum of its proper divisors (153702623708).

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

113232122020 is a wasteful number, since it uses less digits than its factorization.

113232122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010 (or 8985 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 113232122020 its reverse (20221232311), we get a palindrome (133453354331).

The spelling of 113232122020 in words is "one hundred thirteen billion, two hundred thirty-two million, one hundred twenty-two thousand, twenty".