20441224040 has 64 divisors (see below), whose sum is σ = 47485992960. Its totient is φ = 7914170880.

The previous prime is 20441223989. The next prime is 20441224049. The reversal of 20441224040 is 4042214402.

It is a junction number, because it is equal to n+sod(n) for n = 20441223997 and 20441224015.

It is not an unprimeable number, because it can be changed into a prime (20441224049) 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, 159209 + ... + 257351.

It is an arithmetic number, because the mean of its divisors is an integer number (741968640).

Almost surely, 2^20441224040 is an apocalyptic number.

20441224040 is a gapful number since it is divisible by the number (20) 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 20441224040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23742996480).

20441224040 is an abundant number, since it is smaller than the sum of its proper divisors (27044768920).

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

20441224040 is a wasteful number, since it uses less digits than its factorization.

20441224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98322 (or 98318 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20441224040 its reverse (4042214402), we get a palindrome (24483438442).

The spelling of 20441224040 in words is "twenty billion, four hundred forty-one million, two hundred twenty-four thousand, forty".