20112203330203 has 4 divisors (see below), whose sum is σ = 20184810562720. Its totient is φ = 20039596097688.

The previous prime is 20112203330137. The next prime is 20112203330209. The reversal of 20112203330203 is 30203330221102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112203330203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112203330209) 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, 36303615843 + ... + 36303616396.

It is an arithmetic number, because the mean of its divisors is an integer number (5046202640680).

Almost surely, 2^{20112203330203} is an apocalyptic number.

20112203330203 is a deficient number, since it is larger than the sum of its proper divisors (72607232517).

20112203330203 is an equidigital number, since it uses as much as digits as its factorization.

20112203330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72607232516.

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

Adding to 20112203330203 its reverse (30203330221102), we get a palindrome (50315533551305).

The spelling of 20112203330203 in words is "twenty trillion, one hundred twelve billion, two hundred three million, three hundred thirty thousand, two hundred three".