206545228 has 12 divisors (see below), whose sum is σ = 362084632. Its totient is φ = 103092480.

The previous prime is 206545217. The next prime is 206545247. The reversal of 206545228 is 822545602.

It is a junction number, because it is equal to n+sod(n) for n = 206545193 and 206545202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42438 + ... + 47053.

Almost surely, 2^206545228 is an apocalyptic number.

It is an amenable number.

206545228 is a deficient number, since it is larger than the sum of its proper divisors (155539404).

206545228 is a wasteful number, since it uses less digits than its factorization.

206545228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90072 (or 90070 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 206545228 is about 14371.6814604277. The cubic root of 206545228 is about 591.1146485625.

The spelling of 206545228 in words is "two hundred six million, five hundred forty-five thousand, two hundred twenty-eight".