20310256741 has 2 divisors, whose sum is σ = 20310256742. Its totient is φ = 20310256740.

The previous prime is 20310256727. The next prime is 20310256823. The reversal of 20310256741 is 14765201302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15245087841 + 5065168900 = 123471^2 + 71170^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310256741 - 2⁷ = 20310256613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310256721) 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, 10155128370 + 10155128371.

It is an arithmetic number, because the mean of its divisors is an integer number (10155128371).

Almost surely, 2^20310256741 is an apocalyptic number.

It is an amenable number.

20310256741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310256741 is an equidigital number, since it uses as much as digits as its factorization.

20310256741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 20310256741 in words is "twenty billion, three hundred ten million, two hundred fifty-six thousand, seven hundred forty-one".