The number 2,061,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 45 46 54 60 69 72 83 90 92 108 115 120 135 138 166 180 184 207 216 230 249 270 276 332 345 360 414 415 460 498 540 552 621 664 690 747 828 830 920 996 1,035 1,080 1,242 1,245 1,380 1,494 1,656 1,660 1,909 1,992 2,070 2,241 2,484 2,490 2,760 2,988 3,105 3,320 3,735 3,818 4,140 4,482 4,968 4,980 5,727 5,976 6,210 7,470 7,636 8,280 8,964 9,545 9,960 11,205 11,454 12,420 14,940 15,272 17,181 17,928 19,090 22,410 22,908 24,840 28,635 29,880 34,362 38,180 44,820 45,816 51,543 57,270 68,724 76,360 85,905 89,640 103,086 114,540 137,448 171,810 206,172 229,080 257,715 343,620 412,344 515,430 687,240 1,030,860 and 2,061,720, with no remainder.
Since 2,061,720 cannot be divided by just 1 and 2,061,720, it is a composite number.