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120120210210020 = 22571368712294261
BaseRepresentation
bin11011010011111110101010…
…011101011011110011100100
3120202022101020222111102101012
4123103332222131123303210
5111221022142303210040
61103250243542521352
734205253534126566
oct3323765235336344
9522271228442335
10120120210210020
1135301771155219
1211580127436258
135204397034667
142193bc6295336
15dd4907cd0865
hex6d3faa75bce4

120120210210020 has 48 divisors (see below), whose sum is σ = 255812342075136. Its totient is φ = 47370045072000.

The previous prime is 120120210209981. The next prime is 120120210210041. The reversal of 120120210210020 is 20012012021021.

It is a junction number, because it is equal to n+sod(n) for n = 120120210209977 and 120120210210004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51209690 + ... + 53503950.

It is an arithmetic number, because the mean of its divisors is an integer number (5329423793232).

Almost surely, 2120120210210020 is an apocalyptic number.

120120210210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120210210020 is an abundant number, since it is smaller than the sum of its proper divisors (135692131865116).

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

120120210210020 is a wasteful number, since it uses less digits than its factorization.

120120210210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331212 (or 2331210 counting only the distinct ones).

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

Adding to 120120210210020 its reverse (20012012021021), we get a palindrome (140132222231041).

The spelling of 120120210210020 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred ten million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 36871 73742 147484 184355 368710 737420 2294261 2617841 4588522 5235682 9177044 10471364 11471305 13089205 22942610 26178410 45885220 52356820 162892531 325785062 651570124 814462655 1628925310 3257850620 84591697331 169183394662 338366789324 422958486655 845916973310 1691833946620 6006010510501 12012021021002 24024042042004 30030052552505 60060105105010 120120210210020