206280 has 64 divisors (see below), whose sum is σ = 691200. Its totient is φ = 54720.

The previous prime is 206279. The next prime is 206281. The reversal of 206280 is 82602.

206280 = T₂₈ + T₂₉ + ... + T₁₀₇.

It is an interprime number because it is at equal distance from previous prime (206279) and next prime (206281).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (206281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2²⁰⁶²⁸⁰ is an apocalyptic number.

206280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345600).

206280 is an abundant number, since it is smaller than the sum of its proper divisors (484920).

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

206280 is a wasteful number, since it uses less digits than its factorization.

206280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 206280 is about 454.1805808266. The cubic root of 206280 is about 59.0861520287.

Adding to 206280 its reverse (82602), we get a palindrome (288882).

The spelling of 206280 in words is "two hundred six thousand, two hundred eighty".