20221012444 has 48 divisors (see below), whose sum is σ = 36981133056. Its totient is φ = 9663552000.

The previous prime is 20221012397. The next prime is 20221012451. The reversal of 20221012444 is 44421012202.

It is a congruent number.

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, 5721702 + ... + 5725234.

It is an arithmetic number, because the mean of its divisors is an integer number (770440272).

Almost surely, 2^20221012444 is an apocalyptic number.

It is an amenable number.

20221012444 is a deficient number, since it is larger than the sum of its proper divisors (16760120612).

20221012444 is a wasteful number, since it uses less digits than its factorization.

20221012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20221012444 its reverse (44421012202), we get a palindrome (64642024646).

The spelling of 20221012444 in words is "twenty billion, two hundred twenty-one million, twelve thousand, four hundred forty-four".