At 20k USD / month, you are either incredibly good and/or lucky or you are not saying that you are working in Switzerland, in which case you forgot to say that

At 20k USD / month, you are either incredibly good and/or lucky or you are not saying that you are working in Switzerland, in which case you forgot to say that your cost of living is higher than SV and you have no public health insurance. (but 20k/month is comfortable anyway, even in Switzerland)