206505352 has 16 divisors (see below), whose sum is σ = 389575440. Its totient is φ = 102618576.

The previous prime is 206505347. The next prime is 206505361. The reversal of 206505352 is 253505602.

It is a self number, because there is not a number n which added to its sum of digits gives 206505352.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 77878 + ... + 80485.

It is an arithmetic number, because the mean of its divisors is an integer number (24348465).

Almost surely, 2^206505352 is an apocalyptic number.

It is an amenable number.

206505352 is a deficient number, since it is larger than the sum of its proper divisors (183070088).

206505352 is a wasteful number, since it uses less digits than its factorization.

206505352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158532 (or 158528 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 206505352 is about 14370.2940818899. The cubic root of 206505352 is about 591.0766055553.

The spelling of 206505352 in words is "two hundred six million, five hundred five thousand, three hundred fifty-two".