206560340 has 24 divisors (see below), whose sum is σ = 495745152. Its totient is φ = 70820640.

The previous prime is 206560303. The next prime is 206560351. The reversal of 206560340 is 43065602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737576 + ... + 737855.

It is an arithmetic number, because the mean of its divisors is an integer number (20656048).

Almost surely, 2^206560340 is an apocalyptic number.

206560340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206560340 is an abundant number, since it is smaller than the sum of its proper divisors (289184812).

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

206560340 is a wasteful number, since it uses less digits than its factorization.

206560340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475447 (or 1475445 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 206560340 is about 14372.2072069672. The cubic root of 206560340 is about 591.1290646249.

The spelling of 206560340 in words is "two hundred six million, five hundred sixty thousand, three hundred forty".