6680205 has 32 divisors (see below), whose sum is σ = 13574400. Its totient is φ = 3053376.

The previous prime is 6680203. The next prime is 6680227. The reversal of 6680205 is 5020866.

It is not a de Polignac number, because 6680205 - 2¹ = 6680203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680203) by changing a digit.

It is a nontrivial repunit in base 188.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2590 + ... + 4479.

It is an arithmetic number, because the mean of its divisors is an integer number (424200).

Almost surely, 2^6680205 is an apocalyptic number.

It is an amenable number.

6680205 is an abundant number, since it is smaller than the sum of its proper divisors (6894195).

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

6680205 is a wasteful number, since it uses less digits than its factorization.

6680205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090 (or 7084 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6680205 is about 2584.6092548004. The cubic root of 6680205 is about 188.3345202282.

The spelling of 6680205 in words is "six million, six hundred eighty thousand, two hundred five".