20010012017 has 2 divisors, whose sum is σ = 20010012018. Its totient is φ = 20010012016.

The previous prime is 20010012007. The next prime is 20010012023. The reversal of 20010012017 is 71021001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17778488896 + 2231523121 = 133336^2 + 47239^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010012017 - 2⁶ = 20010011953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010011992 and 20010012010.

It is not a weakly prime, because it can be changed into another prime (20010012007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006008 + 10005006009.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006009).

Almost surely, 2^20010012017 is an apocalyptic number.

It is an amenable number.

20010012017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012017 is an equidigital number, since it uses as much as digits as its factorization.

20010012017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 20010012017 its reverse (71021001002), we get a palindrome (91031013019).

The spelling of 20010012017 in words is "twenty billion, ten million, twelve thousand, seventeen".