Deleted SharePoint Online Site collections will be available in recycled state for 30 days and the deleted SharePoint site collection will be permanently deleted. Using SharePoint Online PowerShell, we can view the deleted SharePoint Site collection and restore the deleted SharePoint Site Collection.
To view the deleted SharePoint Site Collection, we can run the below command
Status of the deleted site will show like recycled
Get-SPODeletedSite | FL Status, DaysRemaining
To view the deleted OneDrive Personal Site
To Restore the deleted SharePoint Online Site Collection, we can run the below command
Restore-SPODeletedSite -Identity https://superhybridcloud.sharepoint.com/sites/specialpay
Hope this post is informative. Leave your comments if any assistance required.