20266044041 has 2 divisors, whose sum is σ = 20266044042. Its totient is φ = 20266044040.

The previous prime is 20266044011. The next prime is 20266044053. The reversal of 20266044041 is 14044066202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20158320400 + 107723641 = 141980^2 + 10379^2 .

It is a cyclic number.

It is not a de Polignac number, because 20266044041 - 2⁶ = 20266043977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20266043995 and 20266044013.

It is not a weakly prime, because it can be changed into another prime (20266044011) 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, 10133022020 + 10133022021.

It is an arithmetic number, because the mean of its divisors is an integer number (10133022021).

Almost surely, 2^20266044041 is an apocalyptic number.

It is an amenable number.

20266044041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20266044041 is an equidigital number, since it uses as much as digits as its factorization.

20266044041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 20266044041 in words is "twenty billion, two hundred sixty-six million, forty-four thousand, forty-one".