20112321011244 has 96 divisors (see below), whose sum is σ = 58969267961856. Its totient is φ = 5182845756480.

The previous prime is 20112321011227. The next prime is 20112321011267. The reversal of 20112321011244 is 44211012321102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85577854 + ... + 85812549.

It is an arithmetic number, because the mean of its divisors is an integer number (614263207936).

Almost surely, 2^{20112321011244} is an apocalyptic number.

It is an amenable number.

20112321011244 is an abundant number, since it is smaller than the sum of its proper divisors (38856946950612).

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

20112321011244 is a wasteful number, since it uses less digits than its factorization.

20112321011244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171390555 (or 171390553 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20112321011244 its reverse (44211012321102), we get a palindrome (64323333332346).

The spelling of 20112321011244 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-one million, eleven thousand, two hundred forty-four".