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210022210000020 = 2235111718718557041
BaseRepresentation
bin101111110000001110011011…
…001110001101010010010100
31000112121221000220220012202010
4233300032123032031102110
5210012000441230000040
62022402512111544220
762144414102604555
oct5760163316152224
91015557026805663
10210022210000020
1160a12a12306090
121b67b86522b070
139026017915242
1439c11b475a32c
15194325dc92e80
hexbf039b38d494

210022210000020 has 96 divisors (see below), whose sum is σ = 679258997940096. Its totient is φ = 47919506022400.

The previous prime is 210022210000019. The next prime is 210022210000033. The reversal of 210022210000020 is 20000012220012.

210022210000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210022209999960 and 210022210000005.

It is a congruent number.

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, 9359267301 + ... + 9359289740.

It is an arithmetic number, because the mean of its divisors is an integer number (7075614561876).

Almost surely, 2210022210000020 is an apocalyptic number.

210022210000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210022210000020 is an abundant number, since it is smaller than the sum of its proper divisors (469236787940076).

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

210022210000020 is a wasteful number, since it uses less digits than its factorization.

210022210000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718557081 (or 18718557079 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210022210000020 its reverse (20000012220012), we get a palindrome (230022222220032).

The spelling of 210022210000020 in words is "two hundred ten trillion, twenty-two billion, two hundred ten million, twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 165 170 187 204 220 255 330 340 374 510 561 660 748 935 1020 1122 1870 2244 2805 3740 5610 11220 18718557041 37437114082 56155671123 74874228164 93592785205 112311342246 187185570410 205904127451 224622684492 280778355615 318215469697 374371140820 411808254902 561556711230 617712382353 636430939394 823616509804 954646409091 1029520637255 1123113422460 1235424764706 1272861878788 1591077348485 1909292818182 2059041274510 2470849529412 3088561911765 3182154696970 3500370166667 3818585636364 4118082549020 4773232045455 6177123823530 6364309393940 7000740333334 9546464090910 10501110500001 12354247647060 14001480666668 17501850833335 19092928181820 21002221000002 35003701666670 42004442000004 52505552500005 70007403333340 105011105000010 210022210000020