20000001017 has 2 divisors, whose sum is σ = 20000001018. Its totient is φ = 20000001016.

The previous prime is 20000000927. The next prime is 20000001031. The reversal of 20000001017 is 71010000002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19288765456 + 711235561 = 138884^2 + 26669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000001017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000000989 and 20000001007.

It is not a weakly prime, because it can be changed into another prime (20000003017) 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, 10000000508 + 10000000509.

It is an arithmetic number, because the mean of its divisors is an integer number (10000000509).

Almost surely, 2^20000001017 is an apocalyptic number.

It is an amenable number.

20000001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000001017 is an equidigital number, since it uses as much as digits as its factorization.

20000001017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 11.

Adding to 20000001017 its reverse (71010000002), we get a palindrome (91010001019).

The spelling of 20000001017 in words is "twenty billion, one thousand, seventeen".