20440024044216 has 32 divisors (see below), whose sum is σ = 58400068698240. Its totient is φ = 5840006869728.

The previous prime is 20440024044203. The next prime is 20440024044217. The reversal of 20440024044216 is 61244042004402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440024044217) 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, 60833404726 + ... + 60833405061.

It is an arithmetic number, because the mean of its divisors is an integer number (1825002146820).

Almost surely, 2^{20440024044216} is an apocalyptic number.

It is an amenable number.

20440024044216 is an abundant number, since it is smaller than the sum of its proper divisors (37960044654024).

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

20440024044216 is a wasteful number, since it uses less digits than its factorization.

20440024044216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121666809803 (or 121666809799 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20440024044216 its reverse (61244042004402), we get a palindrome (81684066048618).

The spelling of 20440024044216 in words is "twenty trillion, four hundred forty billion, twenty-four million, forty-four thousand, two hundred sixteen".