20402703572759 has 2 divisors, whose sum is σ = 20402703572760. Its totient is φ = 20402703572758.

The previous prime is 20402703572659. The next prime is 20402703572773. The reversal of 20402703572759 is 95727530720402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20402703572759 - 2²⁸ = 20402435137303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20402703572759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20402703572659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201351786379 + 10201351786380.

It is an arithmetic number, because the mean of its divisors is an integer number (10201351786380).

Almost surely, 2^{20402703572759} is an apocalyptic number.

20402703572759 is a deficient number, since it is larger than the sum of its proper divisors (1).

20402703572759 is an equidigital number, since it uses as much as digits as its factorization.

20402703572759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 20402703572759 in words is "twenty trillion, four hundred two billion, seven hundred three million, five hundred seventy-two thousand, seven hundred fifty-nine".