200520017 has 2 divisors, whose sum is σ = 200520018. Its totient is φ = 200520016.

The previous prime is 200520011. The next prime is 200520029. The reversal of 200520017 is 710025002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135862336 + 64657681 = 11656^2 + 8041^2 .

It is a cyclic number.

It is not a de Polignac number, because 200520017 - 2¹² = 200515921 is a prime.

It is a Chen prime.

It is equal to p_11106206 and since 200520017 and 11106206 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 200519977 and 200520004.

It is not a weakly prime, because it can be changed into another prime (200520011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100260008 + 100260009.

It is an arithmetic number, because the mean of its divisors is an integer number (100260009).

Almost surely, 2^200520017 is an apocalyptic number.

It is an amenable number.

200520017 is a deficient number, since it is larger than the sum of its proper divisors (1).

200520017 is an equidigital number, since it uses as much as digits as its factorization.

200520017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 200520017 is about 14160.5090657081. The cubic root of 200520017 is about 585.3099553056.

Adding to 200520017 its reverse (710025002), we get a palindrome (910545019).

It can be divided in two parts, 2005 and 20017, that added together give a palindrome (22022).

The spelling of 200520017 in words is "two hundred million, five hundred twenty thousand, seventeen".