20444200204044 has 24 divisors (see below), whose sum is σ = 47704244311360. Its totient is φ = 6814574758224.

The previous prime is 20444200204033. The next prime is 20444200204049. The reversal of 20444200204044 is 44040200244402.

It is not an unprimeable number, because it can be changed into a prime (20444200204049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19292854 + ... + 20324925.

Almost surely, 2^{20444200204044} is an apocalyptic number.

It is an amenable number.

20444200204044 is an abundant number, since it is smaller than the sum of its proper divisors (27260044107316).

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

20444200204044 is a wasteful number, since it uses less digits than its factorization.

20444200204044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39660789 (or 39660787 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20444200204044 its reverse (44040200244402), we get a palindrome (64484400448446).

The spelling of 20444200204044 in words is "twenty trillion, four hundred forty-four billion, two hundred million, two hundred four thousand, forty-four".