On November 7, 2016, debt held by the public was $14.3 trillion or about 76 % of the previous 12 months of GDP. Intragovernmental holdings stood at $5.4 trillion, giving a combined total gross national debt of $19.8 trillion or about 106 % of the previous 12 months of GDP; $6.2 trillion or approximately 45 % of the debt held by the public was owned by foreign investors, the largest of which were Japan and China at about $1.09 trillion for Japan and $1.06 trillion for China as of December 2016.

Answer this question: what is the current amount of the us national debt? Let's give stream of consciousness first:
The important part for answering this question is: Intragovernmental holdings stood at $5.4 trillion, giving a combined total gross national debt of $19.8 trillion or about 106 % of the previous 12 months of GDP; $6.2 trillion or approximately 45 % of the debt held by the public was owned by foreign investors, the largest of which were Japan and China at about $1.09 trillion for Japan and $1.06 trillion for China as of December 2016.
So, the final answer is $19.8 trillion.