1020196807717 has 2 divisors, whose sum is σ = 1020196807718. Its totient is φ = 1020196807716.

The previous prime is 1020196807697. The next prime is 1020196807727. The reversal of 1020196807717 is 7177086910201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013322076321 + 6874731396 = 1006639^2 + 82914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020196807717 - 2¹¹ = 1020196805669 is a prime.

It is a super-3 number, since 3×1020196807717³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020196807727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510098403858 + 510098403859.

It is an arithmetic number, because the mean of its divisors is an integer number (510098403859).

Almost surely, 2^{1020196807717} is an apocalyptic number.

It is an amenable number.

1020196807717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020196807717 is an equidigital number, since it uses as much as digits as its factorization.

1020196807717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 49.

The spelling of 1020196807717 in words is "one trillion, twenty billion, one hundred ninety-six million, eight hundred seven thousand, seven hundred seventeen".