+**620** is a [natural number](/wiki/Natural_Number) and an integer, following 619 and preceding 621. Beyond its place on the number line, it can signify a specific count, a year in the [Julian calendar](/wiki/Julian_calendar), or a designation in various systems.
+## See also
+- [Number](/wiki/Number)
+- [Integer](/wiki/Integer)
+- [Year](/wiki/Year)
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