20075990240279 has 2 divisors, whose sum is σ = 20075990240280. Its totient is φ = 20075990240278.

The previous prime is 20075990240269. The next prime is 20075990240281. The reversal of 20075990240279 is 97204209957002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20075990240279 - 2²⁸ = 20075721804823 is a prime.

Together with 20075990240281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20075990240269) 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, 10037995120139 + 10037995120140.

It is an arithmetic number, because the mean of its divisors is an integer number (10037995120140).

Almost surely, 2^{20075990240279} is an apocalyptic number.

20075990240279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20075990240279 is an equidigital number, since it uses as much as digits as its factorization.

20075990240279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 20075990240279 in words is "twenty trillion, seventy-five billion, nine hundred ninety million, two hundred forty thousand, two hundred seventy-nine".