20,000,000,000
20,463,000,004
1.52 billion written in numbers is 1,520,000,000
17.9 billion written out in numbers is 17,900,000,000
1,000 billion billion is: 1,000,000,000,000,000,000,000
In word forms, you can write it as 20 billion dollars, twenty billion dollars, $20 billion. Or you can write it as $20,000,000,000. There are at least 4 ways to write it, and probably more.
-5 billion in numbers would be -5,000,000,000. There are 9 zeros in -5 billion.
1.48 billion = 1,480,000,000
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
3,900,000,000 is 3.9 billion.
1476 billion is 1,476,000,000,000