113452020 has 108 divisors (see below), whose sum is σ = 378339780. Its totient is φ = 27498240.

The previous prime is 113452013. The next prime is 113452037. The reversal of 113452020 is 20254311.

It can be written as a sum of positive squares in 2 ways, for example, as 84162276 + 29289744 = 9174^2 + 5412^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113451984 and 113452002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19176 + ... + 24384.

Almost surely, 2^113452020 is an apocalyptic number.

113452020 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 113452020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189169890).

113452020 is an abundant number, since it is smaller than the sum of its proper divisors (264887760).

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

113452020 is a wasteful number, since it uses less digits than its factorization.

113452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 113452020 is about 10651.3858253281. The cubic root of 113452020 is about 484.1025953308.

The spelling of 113452020 in words is "one hundred thirteen million, four hundred fifty-two thousand, twenty".