is it possible to know which wallet/ address has more Auroras?, is there a link showing who has more Auroras?
Do you mean a rich list?
Yes please
The top one is the cold storage of MintPal that went bust. We have been in contact with the curator and it seems the keys are lost indefinitely.
The second one is the Cryptsy wallet, that one might still become active, but it might end up the same way as MintPal as well.
No 20-40 (the 50K wallets) are the cold wallets of the foundation funds.