20075957393 has 2 divisors, whose sum is σ = 20075957394. Its totient is φ = 20075957392.

The previous prime is 20075957383. The next prime is 20075957411. The reversal of 20075957393 is 39375957002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16482194689 + 3593762704 = 128383^2 + 59948^2 .

It is a cyclic number.

It is not a de Polignac number, because 20075957393 - 2⁶ = 20075957329 is a prime.

It is not a weakly prime, because it can be changed into another prime (20075957303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037978696 + 10037978697.

It is an arithmetic number, because the mean of its divisors is an integer number (10037978697).

Almost surely, 2^20075957393 is an apocalyptic number.

It is an amenable number.

20075957393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20075957393 is an equidigital number, since it uses as much as digits as its factorization.

20075957393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1786050, while the sum is 50.

The spelling of 20075957393 in words is "twenty billion, seventy-five million, nine hundred fifty-seven thousand, three hundred ninety-three".