20322323443 has 2 divisors, whose sum is σ = 20322323444. Its totient is φ = 20322323442.

The previous prime is 20322323429. The next prime is 20322323503. The reversal of 20322323443 is 34432322302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20322323443 - 2⁹ = 20322322931 is a prime.

It is not a weakly prime, because it can be changed into another prime (20322320443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161161721 + 10161161722.

It is an arithmetic number, because the mean of its divisors is an integer number (10161161722).

Almost surely, 2^20322323443 is an apocalyptic number.

20322323443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322323443 is an equidigital number, since it uses as much as digits as its factorization.

20322323443 is an evil number, because the sum of its binary digits is even.

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

Adding to 20322323443 its reverse (34432322302), we get a palindrome (54754645745).

The spelling of 20322323443 in words is "twenty billion, three hundred twenty-two million, three hundred twenty-three thousand, four hundred forty-three".