200660009 has 8 divisors (see below), whose sum is σ = 220246752. Its totient is φ = 181297440.

The previous prime is 200659957. The next prime is 200660011. The reversal of 200660009 is 900066002.

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

It is a cyclic number.

It is not a de Polignac number, because 200660009 - 2¹⁶ = 200594473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200660209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54164 + ... + 57749.

It is an arithmetic number, because the mean of its divisors is an integer number (27530844).

Almost surely, 2^200660009 is an apocalyptic number.

It is an amenable number.

200660009 is a deficient number, since it is larger than the sum of its proper divisors (19586743).

200660009 is a wasteful number, since it uses less digits than its factorization.

200660009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112087.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 200660009 is about 14165.4512459011. The cubic root of 200660009 is about 585.4461339799.

The spelling of 200660009 in words is "two hundred million, six hundred sixty thousand, nine".