20322443233 has 2 divisors, whose sum is σ = 20322443234. Its totient is φ = 20322443232.

The previous prime is 20322443189. The next prime is 20322443257. The reversal of 20322443233 is 33234422302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20282601889 + 39841344 = 142417^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322443233 - 2¹³ = 20322435041 is a prime.

It is not a weakly prime, because it can be changed into another prime (20322440233) 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 as a sum of consecutive naturals, namely, 10161221616 + 10161221617.

It is an arithmetic number, because the mean of its divisors is an integer number (10161221617).

Almost surely, 2^20322443233 is an apocalyptic number.

It is an amenable number.

20322443233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322443233 is an equidigital number, since it uses as much as digits as its factorization.

20322443233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20322443233 its reverse (33234422302), we get a palindrome (53556865535).

The spelling of 20322443233 in words is "twenty billion, three hundred twenty-two million, four hundred forty-three thousand, two hundred thirty-three".