206700670 has 24 divisors (see below), whose sum is σ = 408962232. Its totient is φ = 75163440.

The previous prime is 206700647. The next prime is 206700673. The reversal of 206700670 is 76007602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206700673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84204 + ... + 86623.

It is an arithmetic number, because the mean of its divisors is an integer number (17040093).

Almost surely, 2^206700670 is an apocalyptic number.

206700670 is a deficient number, since it is larger than the sum of its proper divisors (202261562).

206700670 is a wasteful number, since it uses less digits than its factorization.

206700670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170856 (or 170845 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 206700670 is about 14377.0883700421. The cubic root of 206700670 is about 591.2628985829.

The spelling of 206700670 in words is "two hundred six million, seven hundred thousand, six hundred seventy".