20322320069 has 2 divisors, whose sum is σ = 20322320070. Its totient is φ = 20322320068.

The previous prime is 20322320021. The next prime is 20322320089. The reversal of 20322320069 is 96002322302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15767824900 + 4554495169 = 125570^2 + 67487^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322320069 - 2⁸ = 20322319813 is a prime.

It is a super-2 number, since 2×20322320069² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322320089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161160034 + 10161160035.

It is an arithmetic number, because the mean of its divisors is an integer number (10161160035).

Almost surely, 2^20322320069 is an apocalyptic number.

It is an amenable number.

20322320069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322320069 is an equidigital number, since it uses as much as digits as its factorization.

20322320069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 20322320069 in words is "twenty billion, three hundred twenty-two million, three hundred twenty thousand, sixty-nine".