206520676 has 6 divisors (see below), whose sum is σ = 361411190. Its totient is φ = 103260336.

The previous prime is 206520647. The next prime is 206520697. The reversal of 206520676 is 676025602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 180203776 + 26316900 = 13424^2 + 5130^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25815081 + ... + 25815088.

Almost surely, 2^206520676 is an apocalyptic number.

It is an amenable number.

206520676 is a deficient number, since it is larger than the sum of its proper divisors (154890514).

206520676 is a wasteful number, since it uses less digits than its factorization.

206520676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51630173 (or 51630171 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 206520676 is about 14370.8272552418. The cubic root of 206520676 is about 591.0912257314.

The spelling of 206520676 in words is "two hundred six million, five hundred twenty thousand, six hundred seventy-six".