20313210110112 has 72 divisors (see below), whose sum is σ = 57911197096116. Its totient is φ = 6754014406656.

The previous prime is 20313210109991. The next prime is 20313210110147. The reversal of 20313210110112 is 21101101231302.

20313210110112 is a `hidden beast` number, since 20 + 313 + 210 + 1 + 10 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20296142255376 + 17067854736 = 4505124^2 + 130644^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

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 11 ways as a sum of consecutive naturals, for example, 88716873 + ... + 88945544.

Almost surely, 2^{20313210110112} is an apocalyptic number.

It is an amenable number.

20313210110112 is an abundant number, since it is smaller than the sum of its proper divisors (37597986986004).

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

20313210110112 is a wasteful number, since it uses less digits than its factorization.

20313210110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177662830 (or 177662819 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20313210110112 its reverse (21101101231302), we get a palindrome (41414311341414).

The spelling of 20313210110112 in words is "twenty trillion, three hundred thirteen billion, two hundred ten million, one hundred ten thousand, one hundred twelve".