207320 has 32 divisors (see below), whose sum is σ = 479520. Its totient is φ = 80640.

The previous prime is 207307. The next prime is 207329. The reversal of 207320 is 23702.

207320 = 15² + 16² + ... + 85².

207320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 207295 and 207304.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 207320.

It is not an unprimeable number, because it can be changed into a prime (207329) 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, 2804 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (14985).

2²⁰⁷³²⁰ is an apocalyptic number.

207320 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 207320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239760).

207320 is an abundant number, since it is smaller than the sum of its proper divisors (272200).

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

207320 is a wasteful number, since it uses less digits than its factorization.

207320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 207320 is about 455.3240604229. The cubic root of 207320 is about 59.1852836564.

The spelling of 207320 in words is "two hundred seven thousand, three hundred twenty", and thus it is an iban number.