20244204004 has 6 divisors (see below), whose sum is σ = 35427357014. Its totient is φ = 10122102000.

The previous prime is 20244203983. The next prime is 20244204007. The reversal of 20244204004 is 40040244202.

It can be written as a sum of positive squares in only one way, i.e., 17861787904 + 2382416100 = 133648^2 + 48810^2 .

It is not an unprimeable number, because it can be changed into a prime (20244204007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530525497 + ... + 2530525504.

Almost surely, 2^20244204004 is an apocalyptic number.

It is an amenable number.

20244204004 is a deficient number, since it is larger than the sum of its proper divisors (15183153010).

20244204004 is a wasteful number, since it uses less digits than its factorization.

20244204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061051005 (or 5061051003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20244204004 its reverse (40040244202), we get a palindrome (60284448206).

The spelling of 20244204004 in words is "twenty billion, two hundred forty-four million, two hundred four thousand, four".