20010163400204 has 24 divisors (see below), whose sum is σ = 35380084526640. Its totient is φ = 9901575346176.

The previous prime is 20010163400179. The next prime is 20010163400207. The reversal of 20010163400204 is 40200436101002.

It is a self number, because there is not a number n which added to its sum of digits gives 20010163400204.

It is not an unprimeable number, because it can be changed into a prime (20010163400207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9870212 + ... + 11723540.

It is an arithmetic number, because the mean of its divisors is an integer number (1474170188610).

Almost surely, 2^{20010163400204} is an apocalyptic number.

It is an amenable number.

20010163400204 is a deficient number, since it is larger than the sum of its proper divisors (15369921126436).

20010163400204 is a wasteful number, since it uses less digits than its factorization.

20010163400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881257 (or 1881255 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20010163400204 its reverse (40200436101002), we get a palindrome (60210599501206).

The spelling of 20010163400204 in words is "twenty trillion, ten billion, one hundred sixty-three million, four hundred thousand, two hundred four".