20000000000

20000000000, written as 20,000,000,000, is the integer twenty billion in the short scale. It equals 2 × 10^10 and has 11 digits in decimal notation.

Mathematically, the number factors as 2^11 × 5^10, indicating it is divisible by both 2 and 5 and is not prime. It lies between 2^34 and 2^35, so its binary representation uses 35 bits.

Uses and occurrences: In discussions of large counts, twenty billion is a common rough scale for populations, financial figures, or data volumes. As a unit of data, 20,000,000,000 bytes is approximately 18.6 gibibytes (GiB). In time, 20,000,000,000 seconds equal about 634.9 years.

Naming conventions: In the short scale used by most English-language contexts, 20,000,000,000 is called twenty billion. In some long-scale conventions and other languages, it may be described as twenty thousand million or twenty milliard.