113223310020 has 144 divisors (see below), whose sum is σ = 371291269440. Its totient is φ = 27830677248.

The previous prime is 113223309977. The next prime is 113223310033. The reversal of 113223310020 is 20013322311.

113223310020 is a `hidden beast` number, since 11 + 322 + 3 + 310 + 0 + 20 = 666.

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 = 113223309975 and 113223310002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320842 + ... + 573921.

Almost surely, 2^113223310020 is an apocalyptic number.

113223310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113223310020 is an abundant number, since it is smaller than the sum of its proper divisors (258067959420).

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

113223310020 is a wasteful number, since it uses less digits than its factorization.

113223310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894834 (or 894829 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113223310020 its reverse (20013322311), we get a palindrome (133236632331).

The spelling of 113223310020 in words is "one hundred thirteen billion, two hundred twenty-three million, three hundred ten thousand, twenty".