206532770 has 16 divisors (see below), whose sum is σ = 373033080. Its totient is φ = 82329984.

The previous prime is 206532769. The next prime is 206532829. The reversal of 206532770 is 77235602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164839921 + 41692849 = 12839^2 + 6457^2 .

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 7 ways as a sum of consecutive naturals, for example, 32315 + ... + 38174.

Almost surely, 2^206532770 is an apocalyptic number.

206532770 is a deficient number, since it is larger than the sum of its proper divisors (166500310).

206532770 is a wasteful number, since it uses less digits than its factorization.

206532770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70789.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 206532770 is about 14371.2480320952. The cubic root of 206532770 is about 591.1027637493.

The spelling of 206532770 in words is "two hundred six million, five hundred thirty-two thousand, seven hundred seventy".