20223312010309 has 2 divisors, whose sum is σ = 20223312010310. Its totient is φ = 20223312010308.

The previous prime is 20223312010303. The next prime is 20223312010337. The reversal of 20223312010309 is 90301021332202.

It is an a-pointer prime, because the next prime (20223312010337) can be obtained adding 20223312010309 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16037646118209 + 4185665892100 = 4004703^2 + 2045890^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223312010309 - 2⁵ = 20223312010277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223312010303) 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, 10111656005154 + 10111656005155.

It is an arithmetic number, because the mean of its divisors is an integer number (10111656005155).

Almost surely, 2^{20223312010309} is an apocalyptic number.

It is an amenable number.

20223312010309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223312010309 is an equidigital number, since it uses as much as digits as its factorization.

20223312010309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 20223312010309 in words is "twenty trillion, two hundred twenty-three billion, three hundred twelve million, ten thousand, three hundred nine".