20316057241 has 2 divisors, whose sum is σ = 20316057242. Its totient is φ = 20316057240.

The previous prime is 20316057143. The next prime is 20316057263. The reversal of 20316057241 is 14275061302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20165136016 + 150921225 = 142004^2 + 12285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20316057241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20316057341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158028620 + 10158028621.

It is an arithmetic number, because the mean of its divisors is an integer number (10158028621).

Almost surely, 2^20316057241 is an apocalyptic number.

It is an amenable number.

20316057241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20316057241 is an equidigital number, since it uses as much as digits as its factorization.

20316057241 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 20316057241 in words is "twenty billion, three hundred sixteen million, fifty-seven thousand, two hundred forty-one".