206015228 has 6 divisors (see below), whose sum is σ = 360526656. Its totient is φ = 103007612.

The previous prime is 206015221. The next prime is 206015261. The reversal of 206015228 is 822510602.

It is a junction number, because it is equal to n+sod(n) for n = 206015197 and 206015206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206015221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25751900 + ... + 25751907.

It is an arithmetic number, because the mean of its divisors is an integer number (60087776).

Almost surely, 2^206015228 is an apocalyptic number.

It is an amenable number.

206015228 is a deficient number, since it is larger than the sum of its proper divisors (154511428).

206015228 is a wasteful number, since it uses less digits than its factorization.

206015228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503811 (or 51503809 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 206015228 is about 14353.2305771210. The cubic root of 206015228 is about 590.6086107002.

The spelling of 206015228 in words is "two hundred six million, fifteen thousand, two hundred twenty-eight".