113112032020 has 24 divisors (see below), whose sum is σ = 255807211464. Its totient is φ = 41764442496.

The previous prime is 113112031993. The next prime is 113112032021. The reversal of 113112032020 is 20230211311.

It can be written as a sum of positive squares in 4 ways, for example, as 5834820996 + 107277211024 = 76386^2 + 327532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113112031985 and 113112032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112032021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217522879 + ... + 217523398.

It is an arithmetic number, because the mean of its divisors is an integer number (10658633811).

Almost surely, 2^113112032020 is an apocalyptic number.

113112032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112032020 is an abundant number, since it is smaller than the sum of its proper divisors (142695179444).

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

113112032020 is a wasteful number, since it uses less digits than its factorization.

113112032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435046299 (or 435046297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113112032020 its reverse (20230211311), we get a palindrome (133342243331).

The spelling of 113112032020 in words is "one hundred thirteen billion, one hundred twelve million, thirty-two thousand, twenty".