113403110020 has 12 divisors (see below), whose sum is σ = 238146531084. Its totient is φ = 45361244000.

The previous prime is 113403109987. The next prime is 113403110057. The reversal of 113403110020 is 20011304311.

It can be written as a sum of positive squares in 2 ways, for example, as 16099041924 + 97304068096 = 126882^2 + 311936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113403109976 and 113403110003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835077731 + ... + 2835077770.

It is an arithmetic number, because the mean of its divisors is an integer number (19845544257).

Almost surely, 2^113403110020 is an apocalyptic number.

113403110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113403110020 is an abundant number, since it is smaller than the sum of its proper divisors (124743421064).

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

113403110020 is a wasteful number, since it uses less digits than its factorization.

113403110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670155510 (or 5670155508 counting only the distinct ones).

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

Adding to 113403110020 its reverse (20011304311), we get a palindrome (133414414331).

The spelling of 113403110020 in words is "one hundred thirteen billion, four hundred three million, one hundred ten thousand, twenty".