20320024444 has 12 divisors (see below), whose sum is σ = 36387020824. Its totient is φ = 9923732784.

The previous prime is 20320024441. The next prime is 20320024457. The reversal of 20320024444 is 44442002302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320024441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59069667 + ... + 59070010.

Almost surely, 2^20320024444 is an apocalyptic number.

It is an amenable number.

20320024444 is a deficient number, since it is larger than the sum of its proper divisors (16066996380).

20320024444 is a wasteful number, since it uses less digits than its factorization.

20320024444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118139724 (or 118139722 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20320024444 its reverse (44442002302), we get a palindrome (64762026746).

The spelling of 20320024444 in words is "twenty billion, three hundred twenty million, twenty-four thousand, four hundred forty-four".