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20000000321210 = 25713172944580167
BaseRepresentation
bin1001000110000100111001…
…11010100010011010111010
32121210222111102001211021102
410203002130322202122322
510110140000040234320
6110311512345011402
74132644436530230
oct443023472423272
977728442054242
1020000000321210
116410a528673a8
1222b0173783b62
13b20cb8396cc0
144d2010302950
1524a3a4deb175
hex12309cea26ba

20000000321210 has 128 divisors (see below), whose sum is σ = 48531754091520. Its totient is φ = 5751911337984.

The previous prime is 20000000321201. The next prime is 20000000321243. The reversal of 20000000321210 is 1212300000002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000000321191 and 20000000321200.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21841454 + ... + 22738713.

It is an arithmetic number, because the mean of its divisors is an integer number (379154328840).

Almost surely, 220000000321210 is an apocalyptic number.

20000000321210 is an abundant number, since it is smaller than the sum of its proper divisors (28531753770310).

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

20000000321210 is a wasteful number, since it uses less digits than its factorization.

20000000321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44580240.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000000321210 its reverse (1212300000002), we get a palindrome (21212300321212).

The spelling of 20000000321210 in words is "twenty trillion, three hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 7 10 13 14 17 26 29 34 35 58 65 70 85 91 119 130 145 170 182 203 221 238 290 377 406 442 455 493 595 754 910 986 1015 1105 1190 1547 1885 2030 2210 2465 2639 3094 3451 3770 4930 5278 6409 6902 7735 12818 13195 15470 17255 26390 32045 34510 44863 64090 89726 224315 448630 44580167 89160334 222900835 312061169 445801670 579542171 624122338 757862839 1159084342 1292824843 1515725678 1560305845 2585649686 2897710855 3120611690 3789314195 4056795197 5305039873 5795421710 6464124215 7578628390 8113590394 9049773901 9852216907 10610079746 12928248430 16806722959 18099547802 19704433814 20283975985 21978022331 26525199365 33613445918 40567951970 43956044662 45248869505 49261084535 53050398730 68965518349 84033614795 90497739010 98522169070 109890111655 117647060713 137931036698 153846156317 168067229590 219780223310 235294121426 285714290303 307692312634 344827591745 571428580606 588235303565 689655183490 769230781585 1176470607130 1428571451515 1538461563170 2000000032121 2857142903030 4000000064242 10000000160605 20000000321210