20441001444 has 12 divisors (see below), whose sum is σ = 47695670064. Its totient is φ = 6813667144.

The previous prime is 20441001443. The next prime is 20441001551. The reversal of 20441001444 is 44410014402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20441001444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20441001443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851708382 + ... + 851708405.

It is an arithmetic number, because the mean of its divisors is an integer number (3974639172).

Almost surely, 2^20441001444 is an apocalyptic number.

It is an amenable number.

20441001444 is an abundant number, since it is smaller than the sum of its proper divisors (27254668620).

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

20441001444 is a wasteful number, since it uses less digits than its factorization.

20441001444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703416794 (or 1703416792 counting only the distinct ones).

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

Adding to 20441001444 its reverse (44410014402), we get a palindrome (64851015846).

The spelling of 20441001444 in words is "twenty billion, four hundred forty-one million, one thousand, four hundred forty-four".