22020321444 has 48 divisors (see below), whose sum is σ = 56085099840. Its totient is φ = 6668851840.

The previous prime is 22020321359. The next prime is 22020321523. The reversal of 22020321444 is 44412302022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176782 + ... + 274394.

It is an arithmetic number, because the mean of its divisors is an integer number (1168439580).

Almost surely, 2^22020321444 is an apocalyptic number.

It is an amenable number.

22020321444 is an abundant number, since it is smaller than the sum of its proper divisors (34064778396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020321444 is a wasteful number, since it uses less digits than its factorization.

22020321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99340 (or 99338 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22020321444 its reverse (44412302022), we get a palindrome (66432623466).

The spelling of 22020321444 in words is "twenty-two billion, twenty million, three hundred twenty-one thousand, four hundred forty-four".