20011010017 has 2 divisors, whose sum is σ = 20011010018. Its totient is φ = 20011010016.

The previous prime is 20011010011. The next prime is 20011010021. The reversal of 20011010017 is 71001011002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19626889216 + 384120801 = 140096^2 + 19599^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011010017 - 2³ = 20011010009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011009979 and 20011010006.

It is not a weakly prime, because it can be changed into another prime (20011010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005505008 + 10005505009.

It is an arithmetic number, because the mean of its divisors is an integer number (10005505009).

Almost surely, 2^20011010017 is an apocalyptic number.

It is an amenable number.

20011010017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011010017 is an equidigital number, since it uses as much as digits as its factorization.

20011010017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 20011010017 its reverse (71001011002), we get a palindrome (91012021019).

The spelling of 20011010017 in words is "twenty billion, eleven million, ten thousand, seventeen".