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2020123012320 = 253257200409029
BaseRepresentation
bin11101011001011000101…
…101101110110011100000
321011010021211211210101200
4131121120231232303200
5231044202442343240
64144010503001200
7265643350200330
oct35313055566340
97133254753350
102020123012320
11709802859886
1228761b139200
1311865c57c05a
146dabb2370c0
1537834946930
hex1d658b6ece0

2020123012320 has 144 divisors (see below), whose sum is σ = 7878479787360. Its totient is φ = 461742400512.

The previous prime is 2020123012319. The next prime is 2020123012381. The reversal of 2020123012320 is 232103210202.

2020123012320 is a `hidden beast` number, since 2 + 0 + 201 + 230 + 1 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2020123012293 and 2020123012302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100194435 + ... + 100214594.

It is an arithmetic number, because the mean of its divisors is an integer number (54711665190).

Almost surely, 22020123012320 is an apocalyptic number.

2020123012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020123012320 is an abundant number, since it is smaller than the sum of its proper divisors (5858356775040).

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

2020123012320 is a wasteful number, since it uses less digits than its factorization.

2020123012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200409057 (or 200409046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2020123012320 its reverse (232103210202), we get a palindrome (2252226222522).

The spelling of 2020123012320 in words is "two trillion, twenty billion, one hundred twenty-three million, twelve thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 1008 1120 1260 1440 1680 2016 2520 3360 5040 10080 200409029 400818058 601227087 801636116 1002045145 1202454174 1402863203 1603272232 1803681261 2004090290 2404908348 2805726406 3006135435 3206544464 3607362522 4008180580 4208589609 4809816696 5611452812 6012270870 6413088928 7014316015 7214725044 8016361160 8417179218 9018406305 9619633392 11222905624 12024541740 12625768827 14028632030 14429450088 16032722320 16834358436 18036812610 19239266784 21042948045 22445811248 24049083480 25251537654 28057264060 28858900176 32065444640 33668716872 36073625220 42085896090 44891622496 48098166960 50503075308 56114528120 57717800352 63128844135 67337433744 72147250440 84171792180 96196333920 101006150616 112229056240 126257688270 134674867488 144294500880 168343584360 202012301232 224458112480 252515376540 288589001760 336687168720 404024602464 505030753080 673374337440 1010061506160 2020123012320