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120222212000020 = 225134093112971689
BaseRepresentation
bin11011010101011101101010…
…001111011000100100010100
3120202200010112122212020021021
4123111131222033120210110
5111224210042233000040
61103405153255130524
734215524326053544
oct3325355217304424
9522603478766237
10120222212000020
1135340a5453a819
1211597a53673a44
135210ba1497110
142198b01119324
15dd73c7b3324a
hex6d576a3d8914

120222212000020 has 48 divisors (see below), whose sum is σ = 271953586129680. Its totient is φ = 44378894140416.

The previous prime is 120222212000017. The next prime is 120222212000053. The reversal of 120222212000020 is 20000212222021.

It can be written as a sum of positive squares in 8 ways, for example, as 428705419536 + 119793506580484 = 654756^2 + 10945022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120222211999958 and 120222212000003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55421665 + ... + 57550024.

It is an arithmetic number, because the mean of its divisors is an integer number (5665699711035).

Almost surely, 2120222212000020 is an apocalyptic number.

120222212000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222212000020 is an abundant number, since it is smaller than the sum of its proper divisors (151731374129660).

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

120222212000020 is a wasteful number, since it uses less digits than its factorization.

120222212000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112975804 (or 112975802 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120222212000020 its reverse (20000212222021), we get a palindrome (140222424222041).

The spelling of 120222212000020 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twelve million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4093 8186 16372 20465 40930 53209 81860 106418 212836 266045 532090 1064180 112971689 225943378 451886756 564858445 1129716890 1468631957 2259433780 2937263914 5874527828 7343159785 14686319570 29372639140 462393123077 924786246154 1849572492308 2311965615385 4623931230770 6011110600001 9247862461540 12022221200002 24044442400004 30055553000005 60111106000010 120222212000020