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120204020240 = 24517314096971
BaseRepresentation
bin110111111110010110…
…1111100101000010000
3102111021020001220122122
41233330231330220100
53432134212121430
6131115421153412
711453524212413
oct1577455745020
9374236056578
10120204020240
1146a84043597
121b3680bb868
13b44854b4c5
145b64493b7a
1531d7d55ee5
hex1bfcb7ca10

120204020240 has 160 divisors (see below), whose sum is σ = 306250398720. Its totient is φ = 43680153600.

The previous prime is 120204020219. The next prime is 120204020243. The reversal of 120204020240 is 42020402021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (120204020243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17239955 + ... + 17246925.

It is an arithmetic number, because the mean of its divisors is an integer number (1914064992).

Almost surely, 2120204020240 is an apocalyptic number.

120204020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120204020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153125199360).

120204020240 is an abundant number, since it is smaller than the sum of its proper divisors (186046378480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120204020240 is a wasteful number, since it uses less digits than its factorization.

120204020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 120204020240 its reverse (42020402021), we get a palindrome (162224422261).

The spelling of 120204020240 in words is "one hundred twenty billion, two hundred four million, twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 31 34 40 62 68 80 85 124 136 155 170 248 272 310 340 409 496 527 620 680 818 1054 1240 1360 1636 2045 2108 2480 2635 3272 4090 4216 5270 6544 6953 6971 8180 8432 10540 12679 13906 13942 16360 21080 25358 27812 27884 32720 34765 34855 42160 50716 55624 55768 63395 69530 69710 101432 111248 111536 118507 126790 139060 139420 202864 215543 216101 237014 253580 278120 278840 431086 432202 474028 507160 556240 557680 592535 862172 864404 948056 1014320 1077715 1080505 1185070 1724344 1728808 1896112 2155430 2161010 2370140 2851139 3448688 3457616 3673717 4310860 4322020 4740280 5702278 7347434 8621720 8644040 9480560 11404556 14255695 14694868 17243440 17288080 18368585 22809112 28511390 29389736 36737170 45618224 48469363 57022780 58779472 73474340 88385309 96938726 114045560 146948680 176770618 193877452 228091120 242346815 293897360 353541236 387754904 441926545 484693630 707082472 775509808 883853090 969387260 1414164944 1502550253 1767706180 1938774520 3005100506 3535412360 3877549040 6010201012 7070824720 7512751265 12020402024 15025502530 24040804048 30051005060 60102010120 120204020240