20441022144 has 112 divisors (see below), whose sum is σ = 55651115520. Its totient is φ = 6617963520.

The previous prime is 20441022143. The next prime is 20441022163. The reversal of 20441022144 is 44122014402.

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

It is not an unprimeable number, because it can be changed into a prime (20441022143) 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, 1487497 + ... + 1501175.

It is an arithmetic number, because the mean of its divisors is an integer number (496884960).

Almost surely, 2^20441022144 is an apocalyptic number.

20441022144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441022144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27825557760).

20441022144 is an abundant number, since it is smaller than the sum of its proper divisors (35210093376).

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

20441022144 is a wasteful number, since it uses less digits than its factorization.

20441022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20441022144 its reverse (44122014402), we get a palindrome (64563036546).

The spelling of 20441022144 in words is "twenty billion, four hundred forty-one million, twenty-two thousand, one hundred forty-four".