20422440244244 has 12 divisors (see below), whose sum is σ = 35842265445504. Its totient is φ = 10181792974104.

The previous prime is 20422440244211. The next prime is 20422440244291. The reversal of 20422440244244 is 44244204422402.

It is a junction number, because it is equal to n+sod(n) for n = 20422440244198 and 20422440244207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7356785444 + ... + 7356788219.

It is an arithmetic number, because the mean of its divisors is an integer number (2986855453792).

Almost surely, 2^{20422440244244} is an apocalyptic number.

It is an amenable number.

20422440244244 is a deficient number, since it is larger than the sum of its proper divisors (15419825201260).

20422440244244 is a wasteful number, since it uses less digits than its factorization.

20422440244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713574014 (or 14713574012 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 20422440244244 its reverse (44244204422402), we get a palindrome (64666644666646).

The spelling of 20422440244244 in words is "twenty trillion, four hundred twenty-two billion, four hundred forty million, two hundred forty-four thousand, two hundred forty-four".