If you wish to communicate information, I suggest you call a 200,000-sided polygon a 200,000-gon. Although there is a prefix for 200,000 I suggest you keep it simple. Not only is the use of long Greek prefices pretentious, you will only annoy the reader who will probably have to consult a dictionary.
a one sided shape is called a henagon and a 2 sided shape is called a digon
A 10-sided shape is called a decagon.
Hommasquabblelagagon
The 22 sided shape is called a: ICOSIKAIDIGON
A five-sided shape is called a pentagon.
it is called a seven sided shape in Canada
a one sided shape is called a henagon and a 2 sided shape is called a digon
A 10-sided shape is called a decagon.
An five sided shape is called a Pentagon
a 69 sided shape is called a sexagon
A 90 sided shape is called Enneacontagon.
A 35 sided shape is called a triacontakaipentagon
A 150 sided shape is called heptaconta.
Hommasquabblelagagon
The 22 sided shape is called a: ICOSIKAIDIGON
A five-sided shape is called a pentagon.
A 128-sided shape is called a hecatoicosioctagon.