113430020 has 96 divisors (see below), whose sum is σ = 280869120. Its totient is φ = 38044160.

The previous prime is 113430011. The next prime is 113430047. The reversal of 113430020 is 20034311.

It is a junction number, because it is equal to n+sod(n) for n = 113429977 and 113430004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146354 + ... + 147126.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 2^113430020 is an apocalyptic number.

113430020 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 113430020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140434560).

113430020 is an abundant number, since it is smaller than the sum of its proper divisors (167439100).

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

113430020 is a wasteful number, since it uses less digits than its factorization.

113430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 113430020 is about 10650.3530457915. The cubic root of 113430020 is about 484.0713017920.

Adding to 113430020 its reverse (20034311), we get a palindrome (133464331).

The spelling of 113430020 in words is "one hundred thirteen million, four hundred thirty thousand, twenty".