206522002 has 8 divisors (see below), whose sum is σ = 317338812. Its totient is φ = 100742400.

The previous prime is 206521999. The next prime is 206522023. The reversal of 206522002 is 200225602.

It can be written as a sum of positive squares in 2 ways, for example, as 162843121 + 43678881 = 12761^2 + 6609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259199 + ... + 1259362.

Almost surely, 2^206522002 is an apocalyptic number.

206522002 is a deficient number, since it is larger than the sum of its proper divisors (110816810).

206522002 is a wasteful number, since it uses less digits than its factorization.

206522002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518604.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 206522002 is about 14370.8733902989. The cubic root of 206522002 is about 591.0924907949.

Adding to 206522002 its reverse (200225602), we get a palindrome (406747604).

The spelling of 206522002 in words is "two hundred six million, five hundred twenty-two thousand, two".