20144312204 has 6 divisors (see below), whose sum is σ = 35252546364. Its totient is φ = 10072156100.

The previous prime is 20144312179. The next prime is 20144312207. The reversal of 20144312204 is 40221344102.

It is a self number, because there is not a number n which added to its sum of digits gives 20144312204.

It is not an unprimeable number, because it can be changed into a prime (20144312207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518039022 + ... + 2518039029.

It is an arithmetic number, because the mean of its divisors is an integer number (5875424394).

Almost surely, 2^20144312204 is an apocalyptic number.

It is an amenable number.

20144312204 is a deficient number, since it is larger than the sum of its proper divisors (15108234160).

20144312204 is a wasteful number, since it uses less digits than its factorization.

20144312204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036078055 (or 5036078053 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20144312204 its reverse (40221344102), we get a palindrome (60365656306).

The spelling of 20144312204 in words is "twenty billion, one hundred forty-four million, three hundred twelve thousand, two hundred four".