200006660 has 48 divisors (see below), whose sum is σ = 480864384. Its totient is φ = 68452608.

The previous prime is 200006627. The next prime is 200006713. The reversal of 200006660 is 66600002.

It is a Harshad number since it is a multiple of its sum of digits (20).

200006660 is a modest number, since divided by 6660 gives 200 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119147 + ... + 120813.

It is an arithmetic number, because the mean of its divisors is an integer number (10018008).

Almost surely, 2^200006660 is an apocalyptic number.

200006660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200006660 is an abundant number, since it is smaller than the sum of its proper divisors (280857724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200006660 is a wasteful number, since it uses less digits than its factorization.

200006660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 200006660 is about 14142.3710883289. The cubic root of 200006660 is about 584.8100388899.

Adding to 200006660 its reverse (66600002), we get a palindrome (266606662).

The spelling of 200006660 in words is "two hundred million, six thousand, six hundred sixty".