20442312601 has 2 divisors, whose sum is σ = 20442312602. Its totient is φ = 20442312600.

The previous prime is 20442312593. The next prime is 20442312613. The reversal of 20442312601 is 10621324402.

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., 12494768400 + 7947544201 = 111780^2 + 89149^2 .

It is a cyclic number.

It is not a de Polignac number, because 20442312601 - 2³ = 20442312593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20442312701) 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, 10221156300 + 10221156301.

It is an arithmetic number, because the mean of its divisors is an integer number (10221156301).

Almost surely, 2^20442312601 is an apocalyptic number.

It is an amenable number.

20442312601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442312601 is an equidigital number, since it uses as much as digits as its factorization.

20442312601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 20442312601 in words is "twenty billion, four hundred forty-two million, three hundred twelve thousand, six hundred one".