Search a number
-
+
120020002220 = 225611036191543
BaseRepresentation
bin110111111000110111…
…1111110010110101100
3102110210101210211101102
41233301233332112230
53431300110032340
6131045245102232
711446131120626
oct1576157762654
9373711724342
10120020002220
114699a187088
121b316557978
13b41939b7c1
145b47c71c16
1531c6b07215
hex1bf1bfe5ac

120020002220 has 96 divisors (see below), whose sum is σ = 259246740480. Its totient is φ = 46656725760.

The previous prime is 120020002181. The next prime is 120020002231. The reversal of 120020002220 is 22200020021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77782769 + ... + 77784311.

It is an arithmetic number, because the mean of its divisors is an integer number (2700486880).

Almost surely, 2120020002220 is an apocalyptic number.

120020002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020002220 is an abundant number, since it is smaller than the sum of its proper divisors (139226738260).

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

120020002220 is a wasteful number, since it uses less digits than its factorization.

120020002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 120020002220 its reverse (22200020021), we get a palindrome (142220022241).

The spelling of 120020002220 in words is "one hundred twenty billion, twenty million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 103 122 206 244 305 412 515 610 619 1030 1220 1238 1543 2060 2476 3086 3095 6172 6190 6283 7715 12380 12566 15430 25132 30860 31415 37759 62830 63757 75518 94123 125660 127514 151036 158929 188246 188795 255028 317858 318785 376492 377590 470615 635716 637570 755180 794645 941230 955117 1275140 1589290 1882460 1910234 3178580 3820468 3889177 4775585 7778354 9551170 9694669 15556708 19102340 19389338 19445885 38778676 38891770 48473345 58262137 77783540 96946690 98377051 116524274 193893380 196754102 233048548 291310685 393508204 491885255 582621370 983770510 1165242740 1967541020 6001000111 12002000222 24004000444 30005000555 60010001110 120020002220