20005225713203 has 4 divisors (see below), whose sum is σ = 20088929586720. Its totient is φ = 19921521839688.

The previous prime is 20005225713191. The next prime is 20005225713211. The reversal of 20005225713203 is 30231752250002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20005225713203 - 2²² = 20005221518899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20005225713203.

It is not an unprimeable number, because it can be changed into a prime (20005225713233) 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 3 ways as a sum of consecutive naturals, for example, 41851936400 + ... + 41851936877.

It is an arithmetic number, because the mean of its divisors is an integer number (5022232396680).

Almost surely, 2^{20005225713203} is an apocalyptic number.

20005225713203 is a deficient number, since it is larger than the sum of its proper divisors (83703873517).

20005225713203 is an equidigital number, since it uses as much as digits as its factorization.

20005225713203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83703873516.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 20005225713203 its reverse (30231752250002), we get a palindrome (50236977963205).

The spelling of 20005225713203 in words is "twenty trillion, five billion, two hundred twenty-five million, seven hundred thirteen thousand, two hundred three".