20320201310112 has 72 divisors (see below), whose sum is σ = 63038806346880. Its totient is φ = 6157636759680.

The previous prime is 20320201310051. The next prime is 20320201310119. The reversal of 20320201310112 is 21101310202302.

20320201310112 is a `hidden beast` number, since 2 + 0 + 320 + 20 + 1 + 310 + 1 + 12 = 666.

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 not an unprimeable number, because it can be changed into a prime (20320201310119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3207099312 + ... + 3207105647.

It is an arithmetic number, because the mean of its divisors is an integer number (875538977040).

Almost surely, 2^{20320201310112} is an apocalyptic number.

20320201310112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20320201310112 is an abundant number, since it is smaller than the sum of its proper divisors (42718605036768).

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

20320201310112 is a wasteful number, since it uses less digits than its factorization.

20320201310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414204986 (or 6414204975 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20320201310112 its reverse (21101310202302), we get a palindrome (41421511512414).

The spelling of 20320201310112 in words is "twenty trillion, three hundred twenty billion, two hundred one million, three hundred ten thousand, one hundred twelve".