20042422400369 has 2 divisors, whose sum is σ = 20042422400370. Its totient is φ = 20042422400368.

The previous prime is 20042422400353. The next prime is 20042422400423. The reversal of 20042422400369 is 96300422424002.

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., 19938859437025 + 103562963344 = 4465295^2 + 321812^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042422400369 - 2⁴ = 20042422400353 is a prime.

It is a super-2 number, since 2×20042422400369² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20042422400069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021211200184 + 10021211200185.

It is an arithmetic number, because the mean of its divisors is an integer number (10021211200185).

Almost surely, 2^{20042422400369} is an apocalyptic number.

It is an amenable number.

20042422400369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042422400369 is an equidigital number, since it uses as much as digits as its factorization.

20042422400369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 20042422400369 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred thousand, three hundred sixty-nine".