20444104404441 has 12 divisors (see below), whose sum is σ = 29535848784468. Its totient is φ = 13626875664384.

The previous prime is 20444104404439. The next prime is 20444104404497. The reversal of 20444104404441 is 14440440144402.

20444104404441 is a `hidden beast` number, since 204 + 4 + 4 + 1 + 0 + 4 + 4 + 0 + 4 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11548470076416 + 8895634328025 = 3398304^2 + 2982555^2 .

It is not a de Polignac number, because 20444104404441 - 2¹ = 20444104404439 is a prime.

It is a super-2 number, since 2×20444104404441² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20444104404396 and 20444104404405.

It is not an unprimeable number, because it can be changed into a prime (20444104404641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210554760 + ... + 210651833.

It is an arithmetic number, because the mean of its divisors is an integer number (2461320732039).

Almost surely, 2^{20444104404441} is an apocalyptic number.

It is an amenable number.

20444104404441 is a deficient number, since it is larger than the sum of its proper divisors (9091744380027).

20444104404441 is a wasteful number, since it uses less digits than its factorization.

20444104404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421211992 (or 421211989 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 20444104404441 its reverse (14440440144402), we get a palindrome (34884544548843).

The spelling of 20444104404441 in words is "twenty trillion, four hundred forty-four billion, one hundred four million, four hundred four thousand, four hundred forty-one".