20063589317 has 16 divisors (see below), whose sum is σ = 20970118512. Its totient is φ = 19177966080.

The previous prime is 20063589263. The next prime is 20063589347. The reversal of 20063589317 is 71398536002.

It is a Cunningham number, because it is equal to 141646²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 20063589316 = 1^2 + 141646^2 .

It is a cyclic number.

It is not a de Polignac number, because 20063589317 - 2⁸ = 20063589061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063589347) 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 in 15 ways as a sum of consecutive naturals, for example, 1638863 + ... + 1651059.

It is an arithmetic number, because the mean of its divisors is an integer number (1310632407).

Almost surely, 2^20063589317 is an apocalyptic number.

It is an amenable number.

20063589317 is a deficient number, since it is larger than the sum of its proper divisors (906529195).

20063589317 is a wasteful number, since it uses less digits than its factorization.

20063589317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 20063589317 in words is "twenty billion, sixty-three million, five hundred eighty-nine thousand, three hundred seventeen".