20422400422313 has 2 divisors, whose sum is σ = 20422400422314. Its totient is φ = 20422400422312.

The previous prime is 20422400422297. The next prime is 20422400422423. The reversal of 20422400422313 is 31322400422402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12386830977049 + 8035569445264 = 3519493^2 + 2834708^2 .

It is a cyclic number.

It is not a de Polignac number, because 20422400422313 - 2⁴ = 20422400422297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20422400422213) 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, 10211200211156 + 10211200211157.

It is an arithmetic number, because the mean of its divisors is an integer number (10211200211157).

Almost surely, 2^{20422400422313} is an apocalyptic number.

It is an amenable number.

20422400422313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422400422313 is an equidigital number, since it uses as much as digits as its factorization.

20422400422313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20422400422313 its reverse (31322400422402), we get a palindrome (51744800844715).

The spelling of 20422400422313 in words is "twenty trillion, four hundred twenty-two billion, four hundred million, four hundred twenty-two thousand, three hundred thirteen".