113820080 has 40 divisors (see below), whose sum is σ = 288691344. Its totient is φ = 41388800.

The previous prime is 113820079. The next prime is 113820101. The reversal of 113820080 is 80028311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×113820080² = 25910021222412800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 63791 + ... + 65550.

Almost surely, 2^113820080 is an apocalyptic number.

113820080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113820080 is an abundant number, since it is smaller than the sum of its proper divisors (174871264).

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

113820080 is a wasteful number, since it uses less digits than its factorization.

113820080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129365 (or 129359 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 113820080 is about 10668.6493990570. The cubic root of 113820080 is about 484.6255372927.

Adding to 113820080 its reverse (80028311), we get a palindrome (193848391).

The spelling of 113820080 in words is "one hundred thirteen million, eight hundred twenty thousand, eighty".