20535522041 has 2 divisors, whose sum is σ = 20535522042. Its totient is φ = 20535522040.

The previous prime is 20535522037. The next prime is 20535522127. The reversal of 20535522041 is 14022553502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14854734400 + 5680787641 = 121880^2 + 75371^2 .

It is a cyclic number.

It is not a de Polignac number, because 20535522041 - 2² = 20535522037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20535521995 and 20535522013.

It is not a weakly prime, because it can be changed into another prime (20535522001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10267761020 + 10267761021.

It is an arithmetic number, because the mean of its divisors is an integer number (10267761021).

Almost surely, 2^20535522041 is an apocalyptic number.

It is an amenable number.

20535522041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20535522041 is an equidigital number, since it uses as much as digits as its factorization.

20535522041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20535522041 in words is "twenty billion, five hundred thirty-five million, five hundred twenty-two thousand, forty-one".