200206073 has 2 divisors, whose sum is σ = 200206074. Its totient is φ = 200206072.

The previous prime is 200206049. The next prime is 200206079. The reversal of 200206073 is 370602002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167624809 + 32581264 = 12947^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 200206073 - 2¹² = 200201977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200206079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100103036 + 100103037.

It is an arithmetic number, because the mean of its divisors is an integer number (100103037).

Almost surely, 2^200206073 is an apocalyptic number.

It is an amenable number.

200206073 is a deficient number, since it is larger than the sum of its proper divisors (1).

200206073 is an equidigital number, since it uses as much as digits as its factorization.

200206073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 200206073 is about 14149.4195287298. The cubic root of 200206073 is about 585.0043324003.

Adding to 200206073 its reverse (370602002), we get a palindrome (570808075).

The spelling of 200206073 in words is "two hundred million, two hundred six thousand, seventy-three".