20122313203 has 2 divisors, whose sum is σ = 20122313204. Its totient is φ = 20122313202.

The previous prime is 20122313191. The next prime is 20122313213. The reversal of 20122313203 is 30231322102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122313203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122313213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061156601 + 10061156602.

It is an arithmetic number, because the mean of its divisors is an integer number (10061156602).

Almost surely, 2^20122313203 is an apocalyptic number.

20122313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122313203 is an equidigital number, since it uses as much as digits as its factorization.

20122313203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20122313203 its reverse (30231322102), we get a palindrome (50353635305).

The spelling of 20122313203 in words is "twenty billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred three".