10520

10520 is a natural number that comes after 10519 and before 10521. In mathematics, it is an even composite number with prime factorization 2^3 × 5 × 263. Its divisors include 1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, and 10520, giving a total of 16 divisors. The digits sum to 8, so 10520 is a Harshad (Niven) number in base 10.

As a designation, 10520 is used as an identifier in various systems. It may appear in product catalogs, serial numbers, or inventory codes. In postal conventions, five-digit codes like 10520 are used in the United States as ZIP/postal codes for certain localities, though the specific area associated with 10520 depends on the issuing postal authority.

In calendars and science fiction contexts, 10520 can designate a year far in the future, but it is not associated with any widely recognized historical events. The number’s properties also make it a candidate for testing algorithms, such as primality testing and factorization routines, due to its factorization pattern.