207280 has 20 divisors (see below), whose sum is σ = 482112. Its totient is φ = 82880.

The previous prime is 207269. The next prime is 207287. The reversal of 207280 is 82702.

It is a tau number, because it is divible by the number of its divisors (20).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (207287) by changing a digit.

207280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216 + ... + 1375.

2²⁰⁷²⁸⁰ is an apocalyptic number.

207280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207280 is an abundant number, since it is smaller than the sum of its proper divisors (274832).

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

207280 is a wasteful number, since it uses less digits than its factorization.

207280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 207280 is about 455.2801335442. The cubic root of 207280 is about 59.1814770392.

Adding to 207280 its reverse (82702), we get a palindrome (289982).

The spelling of 207280 in words is "two hundred seven thousand, two hundred eighty".