20244444004 has 12 divisors (see below), whose sum is σ = 36649424700. Its totient is φ = 9773179808.

The previous prime is 20244444001. The next prime is 20244444013. The reversal of 20244444004 is 40044444202.

It can be written as a sum of positive squares in 2 ways, for example, as 16566264100 + 3678179904 = 128710^2 + 60648^2 .

It is not an unprimeable number, because it can be changed into a prime (20244444001) 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, 87260419 + ... + 87260650.

It is an arithmetic number, because the mean of its divisors is an integer number (3054118725).

Almost surely, 2^20244444004 is an apocalyptic number.

It is an amenable number.

20244444004 is a deficient number, since it is larger than the sum of its proper divisors (16404980696).

20244444004 is a wasteful number, since it uses less digits than its factorization.

20244444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174521102 (or 174521100 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20244444004 its reverse (40044444202), we get a palindrome (60288888206).

The spelling of 20244444004 in words is "twenty billion, two hundred forty-four million, four hundred forty-four thousand, four".