20442444244 has 6 divisors (see below), whose sum is σ = 35774277434. Its totient is φ = 10221222120.

The previous prime is 20442444233. The next prime is 20442444293. The reversal of 20442444244 is 44244424402.

It can be written as a sum of positive squares in only one way, i.e., 16111224900 + 4331219344 = 126930^2 + 65812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555305527 + ... + 2555305534.

Almost surely, 2^20442444244 is an apocalyptic number.

It is an amenable number.

20442444244 is a deficient number, since it is larger than the sum of its proper divisors (15331833190).

20442444244 is a wasteful number, since it uses less digits than its factorization.

20442444244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110611065 (or 5110611063 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 20442444244 its reverse (44244424402), we get a palindrome (64686868646).

The spelling of 20442444244 in words is "twenty billion, four hundred forty-two million, four hundred forty-four thousand, two hundred forty-four".