206530536 has 32 divisors (see below), whose sum is σ = 517213440. Its totient is φ = 68725248.

The previous prime is 206530531. The next prime is 206530561. The reversal of 206530536 is 635035602.

It is not an unprimeable number, because it can be changed into a prime (206530531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7480 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (16162920).

Almost surely, 2^206530536 is an apocalyptic number.

It is an amenable number.

206530536 is an abundant number, since it is smaller than the sum of its proper divisors (310682904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206530536 is a wasteful number, since it uses less digits than its factorization.

206530536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14793 (or 14789 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 206530536 is about 14371.1703072506. The cubic root of 206530536 is about 591.1006324841.

The spelling of 206530536 in words is "two hundred six million, five hundred thirty thousand, five hundred thirty-six".