20747

20747 is a natural number that follows 20746 and precedes 20748. It is a five-digit integer within the range of standard base-10 numerals.

In mathematics, 20747 is a prime number, meaning its only positive divisors are 1 and itself. As an odd integer, it is not divisible by 2, 3, or 5, and its digit sum is 20, which confirms it is not divisible by 3 or 9.

Additional numerical properties of 20747 relate to its position in number sequences and its behavior under various representations. Its base-10 representation is 2, 0, 7, 4, 7, and its last digit is 7, reflecting its non-multiplicity by 2 or 5.

In astronomy, 20747 is used as the designation for a minor planet in the catalog maintained by the Minor Planet Center. This designation identifies a specific small body in the solar system, reflecting its discovery and subsequent confirmation. The use of numbers for such bodies follows a sequential system assigned after an object's orbit is well established.