20575733741 has 2 divisors, whose sum is σ = 20575733742. Its totient is φ = 20575733740.

The previous prime is 20575733719. The next prime is 20575733779. The reversal of 20575733741 is 14733757502.

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., 12264676516 + 8311057225 = 110746^2 + 91165^2 .

It is a cyclic number.

It is not a de Polignac number, because 20575733741 - 2¹⁰ = 20575732717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20575733692 and 20575733701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20575733141) 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, 10287866870 + 10287866871.

It is an arithmetic number, because the mean of its divisors is an integer number (10287866871).

Almost surely, 2^20575733741 is an apocalyptic number.

It is an amenable number.

20575733741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20575733741 is an equidigital number, since it uses as much as digits as its factorization.

20575733741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 20575733741 in words is "twenty billion, five hundred seventy-five million, seven hundred thirty-three thousand, seven hundred forty-one".