20144441112 has 64 divisors (see below), whose sum is σ = 52100465760. Its totient is φ = 6486144000.

The previous prime is 20144441089. The next prime is 20144441113. The reversal of 20144441112 is 21114444102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144441113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1963 + ... + 200730.

Almost surely, 2^20144441112 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 20144441112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26050232880).

20144441112 is an abundant number, since it is smaller than the sum of its proper divisors (31956024648).

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

20144441112 is a wasteful number, since it uses less digits than its factorization.

20144441112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202844 (or 202840 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 20144441112 its reverse (21114444102), we get a palindrome (41258885214).

It can be divided in two parts, 201444 and 41112, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 20144441112 in words is "twenty billion, one hundred forty-four million, four hundred forty-one thousand, one hundred twelve".