20445269041 has 2 divisors, whose sum is σ = 20445269042. Its totient is φ = 20445269040.

The previous prime is 20445269003. The next prime is 20445269063. The reversal of 20445269041 is 14096254402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15133920400 + 5311348641 = 123020^2 + 72879^2 .

It is a cyclic number.

It is not a de Polignac number, because 20445269041 - 2⁷ = 20445268913 is a prime.

It is not a weakly prime, because it can be changed into another prime (20445267041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222634520 + 10222634521.

It is an arithmetic number, because the mean of its divisors is an integer number (10222634521).

Almost surely, 2^20445269041 is an apocalyptic number.

It is an amenable number.

20445269041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20445269041 is an equidigital number, since it uses as much as digits as its factorization.

20445269041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20445269041 in words is "twenty billion, four hundred forty-five million, two hundred sixty-nine thousand, forty-one".