20112344101320 has 64 divisors (see below), whose sum is σ = 60438781307520. Its totient is φ = 5354247404544.

The previous prime is 20112344101319. The next prime is 20112344101337. The reversal of 20112344101320 is 2310144321102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141246604 + ... + 141388923.

It is an arithmetic number, because the mean of its divisors is an integer number (944355957930).

Almost surely, 2^{20112344101320} is an apocalyptic number.

20112344101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112344101320 is an abundant number, since it is smaller than the sum of its proper divisors (40326437206200).

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

20112344101320 is a wasteful number, since it uses less digits than its factorization.

20112344101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282636134 (or 282636130 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20112344101320 its reverse (2310144321102), we get a palindrome (22422488422422).

The spelling of 20112344101320 in words is "twenty trillion, one hundred twelve billion, three hundred forty-four million, one hundred one thousand, three hundred twenty".