20044423112 has 32 divisors (see below), whose sum is σ = 43017395520. Its totient is φ = 8577455040.

The previous prime is 20044423109. The next prime is 20044423117. The reversal of 20044423112 is 21132444002.

It is not an unprimeable number, because it can be changed into a prime (20044423117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233738 + ... + 307769.

It is an arithmetic number, because the mean of its divisors is an integer number (1344293610).

Almost surely, 2^20044423112 is an apocalyptic number.

It is an amenable number.

20044423112 is an abundant number, since it is smaller than the sum of its proper divisors (22972972408).

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

20044423112 is a wasteful number, since it uses less digits than its factorization.

20044423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542181 (or 542177 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20044423112 its reverse (21132444002), we get a palindrome (41176867114).

The spelling of 20044423112 in words is "twenty billion, forty-four million, four hundred twenty-three thousand, one hundred twelve".