113103230002020 has 144 divisors (see below), whose sum is σ = 355035459083760. Its totient is φ = 29110548676608.

The previous prime is 113103230002019. The next prime is 113103230002039. The reversal of 113103230002020 is 20200032301311.

113103230002020 is a `hidden beast` number, since 1 + 1 + 310 + 32 + 300 + 0 + 2 + 0 + 20 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 15060794918976 + 98042435083044 = 3880824^2 + 9901638^2 .

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 = 113103230001984 and 113103230002002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10964172 + ... + 18612348.

It is an arithmetic number, because the mean of its divisors is an integer number (2465524021415).

Almost surely, 2^{113103230002020} is an apocalyptic number.

113103230002020 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 113103230002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177517729541880).

113103230002020 is an abundant number, since it is smaller than the sum of its proper divisors (241932229081740).

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

113103230002020 is a wasteful number, since it uses less digits than its factorization.

113103230002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651054 (or 7651049 counting only the distinct ones).

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

Adding to 113103230002020 its reverse (20200032301311), we get a palindrome (133303262303331).

The spelling of 113103230002020 in words is "one hundred thirteen trillion, one hundred three billion, two hundred thirty million, two thousand, twenty".