200020002002 has 4 divisors (see below), whose sum is σ = 300030003006. Its totient is φ = 100010001000.

The previous prime is 200020001989. The next prime is 200020002011. The reversal of 200020002002 is 200200020002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170487235801 + 29532766201 = 412901^2 + 171851^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005000499 + ... + 50005000502.

Almost surely, 2^200020002002 is an apocalyptic number.

200020002002 is a deficient number, since it is larger than the sum of its proper divisors (100010001004).

200020002002 is a wasteful number, since it uses less digits than its factorization.

200020002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100010001003.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 200020002002 its reverse (200200020002), we get a palindrome (400220022004).

The spelling of 200020002002 in words is "two hundred billion, twenty million, two thousand, two".