20041311444 has 144 divisors (see below), whose sum is σ = 59413717440. Its totient is φ = 5199344640.

The previous prime is 20041311443. The next prime is 20041311461. The reversal of 20041311444 is 44411314002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041311443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8387802 + ... + 8390190.

It is an arithmetic number, because the mean of its divisors is an integer number (412595260).

Almost surely, 2^20041311444 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 20041311444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29706858720).

20041311444 is an abundant number, since it is smaller than the sum of its proper divisors (39372405996).

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

20041311444 is a wasteful number, since it uses less digits than its factorization.

20041311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20041311444 its reverse (44411314002), we get a palindrome (64452625446).

The spelling of 20041311444 in words is "twenty billion, forty-one million, three hundred eleven thousand, four hundred forty-four".