2000320322773 has 2 divisors, whose sum is σ = 2000320322774. Its totient is φ = 2000320322772.

The previous prime is 2000320322731. The next prime is 2000320322789. The reversal of 2000320322773 is 3772230230002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1840314722724 + 160005600049 = 1356582^2 + 400007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000320322773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000320322723) 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, 1000160161386 + 1000160161387.

It is an arithmetic number, because the mean of its divisors is an integer number (1000160161387).

Almost surely, 2^{2000320322773} is an apocalyptic number.

It is an amenable number.

2000320322773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000320322773 is an equidigital number, since it uses as much as digits as its factorization.

2000320322773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 31.

Adding to 2000320322773 its reverse (3772230230002), we get a palindrome (5772550552775).

The spelling of 2000320322773 in words is "two trillion, three hundred twenty million, three hundred twenty-two thousand, seven hundred seventy-three".