20323122203 has 2 divisors, whose sum is σ = 20323122204. Its totient is φ = 20323122202.

The previous prime is 20323122199. The next prime is 20323122223. The reversal of 20323122203 is 30222132302.

It is an a-pointer prime, because the next prime (20323122223) can be obtained adding 20323122203 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20323122203 - 2² = 20323122199 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323122223) 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, 10161561101 + 10161561102.

It is an arithmetic number, because the mean of its divisors is an integer number (10161561102).

Almost surely, 2^20323122203 is an apocalyptic number.

20323122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323122203 is an equidigital number, since it uses as much as digits as its factorization.

20323122203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20323122203 its reverse (30222132302), we get a palindrome (50545254505).

The spelling of 20323122203 in words is "twenty billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred three".