22020321044 has 12 divisors (see below), whose sum is σ = 39577063764. Its totient is φ = 10712588544.

The previous prime is 22020321019. The next prime is 22020321061. The reversal of 22020321044 is 44012302022.

It can be written as a sum of positive squares in 2 ways, for example, as 19807747600 + 2212573444 = 140740^2 + 47038^2 .

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, 74392829 + ... + 74393124.

It is an arithmetic number, because the mean of its divisors is an integer number (3298088647).

Almost surely, 2^22020321044 is an apocalyptic number.

It is an amenable number.

22020321044 is a deficient number, since it is larger than the sum of its proper divisors (17556742720).

22020321044 is a wasteful number, since it uses less digits than its factorization.

22020321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148785994 (or 148785992 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22020321044 its reverse (44012302022), we get a palindrome (66032623066).

The spelling of 22020321044 in words is "twenty-two billion, twenty million, three hundred twenty-one thousand, forty-four".