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20201112221000 = 235323899868643
BaseRepresentation
bin1001001011111011100000…
…00111100011010101001000
32122112012121020120212112112
410211331300013203111020
510121433334212033000
6110544132435001452
74153324251501464
oct445756007432510
978465536525475
1020201112221000
116489275230347
12232313b739288
13b36c58b72339
144dba4bd3d4a4
15250725ca7235
hex125f701e3548

20201112221000 has 128 divisors (see below), whose sum is σ = 49880074233600. Its totient is φ = 7642276364800.

The previous prime is 20201112220957. The next prime is 20201112221047. The reversal of 20201112221000 is 12221110202.

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, 2887322 + ... + 6981321.

It is an arithmetic number, because the mean of its divisors is an integer number (389688079950).

Almost surely, 220201112221000 is an apocalyptic number.

20201112221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201112221000 is an abundant number, since it is smaller than the sum of its proper divisors (29678962012600).

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

20201112221000 is a wasteful number, since it uses less digits than its factorization.

20201112221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868776 (or 9868762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201112221000 its reverse (12221110202), we get a palindrome (20213333331202).

The spelling of 20201112221000 in words is "twenty trillion, two hundred one billion, one hundred twelve million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 89 92 100 115 125 178 184 200 230 250 356 445 460 500 575 712 890 920 1000 1150 1780 2047 2225 2300 2875 3560 4094 4450 4600 5750 8188 8900 10235 11125 11500 16376 17800 20470 22250 23000 40940 44500 51175 81880 89000 102350 204700 255875 409400 511750 1023500 2047000 9868643 19737286 39474572 49343215 78949144 98686430 197372860 226978789 246716075 394745720 453957578 493432150 878309227 907915156 986864300 1134893945 1233580375 1756618454 1815830312 1973728600 2269787890 2467160750 3513236908 4391546135 4539575780 4934321500 5674469725 7026473816 8783092270 9079151560 9868643000 11348939450 17566184540 20201112221 21957730675 22697878900 28372348625 35132369080 40402224442 43915461350 45395757800 56744697250 80804448884 87830922700 101005561105 109788653375 113489394500 161608897768 175661845400 202011122210 219577306750 226978789000 404022244420 439154613500 505027805525 808044488840 878309227000 1010055611050 2020111222100 2525139027625 4040222444200 5050278055250 10100556110500 20201112221000