20244442112 has 88 divisors (see below), whose sum is σ = 43191765504. Its totient is φ = 9450749952.

The previous prime is 20244442091. The next prime is 20244442123. The reversal of 20244442112 is 21124444202.

It is a happy number.

It is a super-2 number, since 2×20244442112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206238 + ... + 2215394.

Almost surely, 2^20244442112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21595882752).

20244442112 is an abundant number, since it is smaller than the sum of its proper divisors (22947323392).

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

20244442112 is a wasteful number, since it uses less digits than its factorization.

20244442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9321 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20244442112 its reverse (21124444202), we get a palindrome (41368886314).

The spelling of 20244442112 in words is "twenty billion, two hundred forty-four million, four hundred forty-two thousand, one hundred twelve".