2044320111220 has 12 divisors (see below), whose sum is σ = 4293072233604. Its totient is φ = 817728044480.

The previous prime is 2044320111161. The next prime is 2044320111221. The reversal of 2044320111220 is 221110234402.

It can be written as a sum of positive squares in 2 ways, for example, as 322671713764 + 1721648397456 = 568042^2 + 1312116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2044320111191 and 2044320111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044320111221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51108002761 + ... + 51108002800.

It is an arithmetic number, because the mean of its divisors is an integer number (357756019467).

Almost surely, 2^{2044320111220} is an apocalyptic number.

2044320111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044320111220 is an abundant number, since it is smaller than the sum of its proper divisors (2248752122384).

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

2044320111220 is a wasteful number, since it uses less digits than its factorization.

2044320111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102216005570 (or 102216005568 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2044320111220 its reverse (221110234402), we get a palindrome (2265430345622).

The spelling of 2044320111220 in words is "two trillion, forty-four billion, three hundred twenty million, one hundred eleven thousand, two hundred twenty".