200106660 has 96 divisors (see below), whose sum is σ = 638934912. Its totient is φ = 46356480.

The previous prime is 200106653. The next prime is 200106707. The reversal of 200106660 is 66601002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5715 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (6655572).

Almost surely, 2^200106660 is an apocalyptic number.

200106660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200106660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319467456).

200106660 is an abundant number, since it is smaller than the sum of its proper divisors (438828252).

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

200106660 is a wasteful number, since it uses less digits than its factorization.

200106660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133 (or 15131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 200106660 is about 14145.9061215604. The cubic root of 200106660 is about 584.9074877450.

Adding to 200106660 its reverse (66601002), we get a palindrome (266707662).

The spelling of 200106660 in words is "two hundred million, one hundred six thousand, six hundred sixty".