20323020222233 has 2 divisors, whose sum is σ = 20323020222234. Its totient is φ = 20323020222232.

The previous prime is 20323020222139. The next prime is 20323020222259. The reversal of 20323020222233 is 33222202032302.

It is an a-pointer prime, because the next prime (20323020222259) can be obtained adding 20323020222233 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17521022099344 + 2801998122889 = 4185812^2 + 1673917^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323020222233 - 2²² = 20323016027929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20323020222133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161510111116 + 10161510111117.

It is an arithmetic number, because the mean of its divisors is an integer number (10161510111117).

Almost surely, 2^{20323020222233} is an apocalyptic number.

It is an amenable number.

20323020222233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323020222233 is an equidigital number, since it uses as much as digits as its factorization.

20323020222233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20323020222233 its reverse (33222202032302), we get a palindrome (53545222254535).

The spelling of 20323020222233 in words is "twenty trillion, three hundred twenty-three billion, twenty million, two hundred twenty-two thousand, two hundred thirty-three".