20444442041 has 2 divisors, whose sum is σ = 20444442042. Its totient is φ = 20444442040.

The previous prime is 20444442001. The next prime is 20444442071. The reversal of 20444442041 is 14024444402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15619750441 + 4824691600 = 124979^2 + 69460^2 .

It is a cyclic number.

It is not a de Polignac number, because 20444442041 - 2²⁶ = 20377333177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20444441995 and 20444442013.

It is not a weakly prime, because it can be changed into another prime (20444442001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222221020 + 10222221021.

It is an arithmetic number, because the mean of its divisors is an integer number (10222221021).

Almost surely, 2^20444442041 is an apocalyptic number.

It is an amenable number.

20444442041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444442041 is an equidigital number, since it uses as much as digits as its factorization.

20444442041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 20444442041 its reverse (14024444402), we get a palindrome (34468886443).

The spelling of 20444442041 in words is "twenty billion, four hundred forty-four million, four hundred forty-two thousand, forty-one".