206132840 has 16 divisors (see below), whose sum is σ = 463798980. Its totient is φ = 82453120.

The previous prime is 206132827. The next prime is 206132867. The reversal of 206132840 is 48231602.

It can be written as a sum of positive squares in 2 ways, for example, as 189502756 + 16630084 = 13766^2 + 4078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576621 + ... + 2576700.

Almost surely, 2^206132840 is an apocalyptic number.

206132840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206132840 is an abundant number, since it is smaller than the sum of its proper divisors (257666140).

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

206132840 is a wasteful number, since it uses less digits than its factorization.

206132840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153332 (or 5153328 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 206132840 is about 14357.3270492804. The cubic root of 206132840 is about 590.7209801373.

The spelling of 206132840 in words is "two hundred six million, one hundred thirty-two thousand, eight hundred forty".