This is my Twitter page:
Why does it say I have 17 tweets, but I have 0?
Deleted tweets don't always get reflected in your tweet count, particularly if you are using a tool to delete them. There is a thread on the Twitter discussion forum full of people with this issue.
In this older discussion forum post, a Twitter employee suggests:
This happens sometimes when users bulk delete their tweets. Your account needs to assistance from support to clear it up. Reach out to @support through https://support.twitter.com as we cannot assist here.