20310113700 has 108 divisors (see below), whose sum is σ = 63688893268. Its totient is φ = 5413651200.

The previous prime is 20310113657. The next prime is 20310113701. The reversal of 20310113700 is 731101302.

It can be written as a sum of positive squares in 6 ways, for example, as 443556 + 20309670144 = 666^2 + 142512^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20310113701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3183714 + ... + 3190086.

Almost surely, 2^20310113700 is an apocalyptic number.

20310113700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310113700 is an abundant number, since it is smaller than the sum of its proper divisors (43378779568).

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

20310113700 is a wasteful number, since it uses less digits than its factorization.

20310113700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934 (or 9924 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The spelling of 20310113700 in words is "twenty billion, three hundred ten million, one hundred thirteen thousand, seven hundred".