20220020304349 has 2 divisors, whose sum is σ = 20220020304350. Its totient is φ = 20220020304348.

The previous prime is 20220020304301. The next prime is 20220020304493. The reversal of 20220020304349 is 94340302002202.

Together with next prime (20220020304493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11676196532025 + 8543823772324 = 3417045^2 + 2922982^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220020304349 - 2²¹ = 20220018207197 is a prime.

It is a super-2 number, since 2×20220020304349² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220020304349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220020304049) 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, 10110010152174 + 10110010152175.

It is an arithmetic number, because the mean of its divisors is an integer number (10110010152175).

Almost surely, 2^{20220020304349} is an apocalyptic number.

It is an amenable number.

20220020304349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220020304349 is an equidigital number, since it uses as much as digits as its factorization.

20220020304349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 20220020304349 in words is "twenty trillion, two hundred twenty billion, twenty million, three hundred four thousand, three hundred forty-nine".