113120203020 has 192 divisors, whose sum is σ = 351867027456. Its totient is φ = 26924728320.

The previous prime is 113120203003. The next prime is 113120203033. The reversal of 113120203020 is 20302021311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8123584 + ... + 8137496.

It is an arithmetic number, because the mean of its divisors is an integer number (1832640768).

Almost surely, 2^113120203020 is an apocalyptic number.

113120203020 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 113120203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175933513728).

113120203020 is an abundant number, since it is smaller than the sum of its proper divisors (238746824436).

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

113120203020 is a wasteful number, since it uses less digits than its factorization.

113120203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14160 (or 14158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 113120203020 its reverse (20302021311), we get a palindrome (133422224331).

The spelling of 113120203020 in words is "one hundred thirteen billion, one hundred twenty million, two hundred three thousand, twenty".