20012202010217 has 2 divisors, whose sum is σ = 20012202010218. Its totient is φ = 20012202010216.

The previous prime is 20012202010201. The next prime is 20012202010289. The reversal of 20012202010217 is 71201020221002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16262475720976 + 3749726289241 = 4032676^2 + 1936421^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012202010217 - 2⁴ = 20012202010201 is a prime.

It is a super-3 number, since 3×20012202010217³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20012202010117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006101005108 + 10006101005109.

It is an arithmetic number, because the mean of its divisors is an integer number (10006101005109).

Almost surely, 2^{20012202010217} is an apocalyptic number.

It is an amenable number.

20012202010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012202010217 is an equidigital number, since it uses as much as digits as its factorization.

20012202010217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20012202010217 its reverse (71201020221002), we get a palindrome (91213222231219).

The spelling of 20012202010217 in words is "twenty trillion, twelve billion, two hundred two million, ten thousand, two hundred seventeen".