200000066 has 24 divisors (see below), whose sum is σ = 361018620. Its totient is φ = 82757472.

The previous prime is 200000051. The next prime is 200000069. The reversal of 200000066 is 660000002.

200000066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176331841 + 23668225 = 13279^2 + 4865^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

200000066 is a modest number, since divided by 66 gives 2 as remainder.

It is not an unprimeable number, because it can be changed into a prime (200000069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32345 + ... + 38028.

Almost surely, 2^200000066 is an apocalyptic number.

200000066 is a deficient number, since it is larger than the sum of its proper divisors (161018554).

200000066 is a wasteful number, since it uses less digits than its factorization.

200000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70418 (or 70411 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200000066 is about 14142.1379571831. The cubic root of 200000066 is about 584.8036119710.

Adding to 200000066 its reverse (660000002), we get a palindrome (860000068).

The spelling of 200000066 in words is "two hundred million, sixty-six", and thus it is an aban number.