20044100541504 has 168 divisors, whose sum is σ = 57953504737920. Its totient is φ = 6110832678912.

The previous prime is 20044100541469. The next prime is 20044100541511. The reversal of 20044100541504 is 40514500144002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703209 + ... + 6370455.

Almost surely, 2^{20044100541504} is an apocalyptic number.

20044100541504 is a gapful number since it is divisible by the number (24) 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 20044100541504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28976752368960).

20044100541504 is an abundant number, since it is smaller than the sum of its proper divisors (37909404196416).

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

20044100541504 is a wasteful number, since it uses less digits than its factorization.

20044100541504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667397 (or 5667374 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 20044100541504 its reverse (40514500144002), we get a palindrome (60558600685506).

The spelling of 20044100541504 in words is "twenty trillion, forty-four billion, one hundred million, five hundred forty-one thousand, five hundred four".