20440004044024 has 32 divisors (see below), whose sum is σ = 39653118691200. Its totient is φ = 9865955666560.

The previous prime is 20440004044007. The next prime is 20440004044027. The reversal of 20440004044024 is 42044040004402.

It is a super-2 number, since 2×20440004044024² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20440004043983 and 20440004044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440004044027) 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, 5881987 + ... + 8687794.

It is an arithmetic number, because the mean of its divisors is an integer number (1239159959100).

Almost surely, 2^{20440004044024} is an apocalyptic number.

It is an amenable number.

20440004044024 is a deficient number, since it is larger than the sum of its proper divisors (19213114647176).

20440004044024 is a wasteful number, since it uses less digits than its factorization.

20440004044024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575863 (or 14575859 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20440004044024 its reverse (42044040004402), we get a palindrome (62484044048426).

The spelling of 20440004044024 in words is "twenty trillion, four hundred forty billion, four million, forty-four thousand, twenty-four".