20013012203 has 2 divisors, whose sum is σ = 20013012204. Its totient is φ = 20013012202.

The previous prime is 20013012199. The next prime is 20013012211. The reversal of 20013012203 is 30221031002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20013012203 - 2² = 20013012199 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013012293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006506101 + 10006506102.

It is an arithmetic number, because the mean of its divisors is an integer number (10006506102).

Almost surely, 2^20013012203 is an apocalyptic number.

20013012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013012203 is an equidigital number, since it uses as much as digits as its factorization.

20013012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20013012203 its reverse (30221031002), we get a palindrome (50234043205).

The spelling of 20013012203 in words is "twenty billion, thirteen million, twelve thousand, two hundred three".