3420969
3442069
3469420
3542069
3569420

javascript:(function(){var cn = prompt('Find next "69420 Counting" after:', '') - 0;var w=1;while(w){cn++;ca=(cn+"").split("");var hs=2;for(let i=0;i<ca.length-2;i++){if(ca[i]=="4"&&ca[i+1]=="2"&&ca[i+2]=="0"){hs=1;break;}}if(hs===2)continue;for(let i=0;i<ca.length-1;i++){if(ca[i]=="6"&&ca[i+1]=="9"){alert(cn+' is the next "69420 Counting" number');w=0;break;}}}})();