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20000000000000, commonly read as twenty trillion, is the integer equal to 20,000,000,000,000 in decimal notation. In scientific notation it is 2 × 10^13.

In the short scale used by most English-speaking countries, a trillion equals 10^12, so twenty trillion equals 2 × 10^13. Some historical naming systems, notably the long scale, treated the word trillion as referring to a different magnitude, leading to different interpretations.

Context and usage: Figures on the order of twenty trillion are used to describe the size of large economies, national budgets, and public debt. Major economies often report GDP or debt totals in the tens of trillions of dollars, and analysts compare trillion-scale quantities to assess growth, fiscal balance, and financial stability.

Numerical properties: It is an even number and can be factored as 2^14 × 5^13. In computing, this value fits comfortably within 64-bit integer limits, which can represent values up to about 9.22 × 10^18.