20003113232203 has 4 divisors (see below), whose sum is σ = 20003124793960. Its totient is φ = 20003101670448.

The previous prime is 20003113232173. The next prime is 20003113232251. The reversal of 20003113232203 is 30223231130002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20003113232203 - 2⁹ = 20003113231691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003113232293) 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, 2603625 + ... + 6839962.

It is an arithmetic number, because the mean of its divisors is an integer number (5000781198490).

Almost surely, 2^{20003113232203} is an apocalyptic number.

20003113232203 is a deficient number, since it is larger than the sum of its proper divisors (11561757).

20003113232203 is an equidigital number, since it uses as much as digits as its factorization.

20003113232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561756.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20003113232203 its reverse (30223231130002), we get a palindrome (50226344362205).

The spelling of 20003113232203 in words is "twenty trillion, three billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred three".