20322303073 has 2 divisors, whose sum is σ = 20322303074. Its totient is φ = 20322303072.

The previous prime is 20322303061. The next prime is 20322303167. The reversal of 20322303073 is 37030322302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15453473344 + 4868829729 = 124312^2 + 69777^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322303073 - 2¹⁷ = 20322172001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20322303173) 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, 10161151536 + 10161151537.

It is an arithmetic number, because the mean of its divisors is an integer number (10161151537).

Almost surely, 2^20322303073 is an apocalyptic number.

It is an amenable number.

20322303073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322303073 is an equidigital number, since it uses as much as digits as its factorization.

20322303073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 25.

Adding to 20322303073 its reverse (37030322302), we get a palindrome (57352625375).

The spelling of 20322303073 in words is "twenty billion, three hundred twenty-two million, three hundred three thousand, seventy-three".