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20000022231200 = 2552113634162539
BaseRepresentation
bin1001000110000100111100…
…01110000111100010100000
32121210222112221021222010112
410203002132032013202200
510110140021142344300
6110311514450350452
74132645124002604
oct443023616074240
977728487258115
1020000022231200
116410a64171730
1222b017ab8b428
13b20cbca988ab
144d20131a7504
1524a3a6cc7e35
hex12309e3878a0

20000022231200 has 144 divisors (see below), whose sum is σ = 53266012944480. Its totient is φ = 7272418944000.

The previous prime is 20000022231169. The next prime is 20000022231223. The reversal of 20000022231200 is 213222000002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319769531 + ... + 319832069.

It is an arithmetic number, because the mean of its divisors is an integer number (369902867670).

Almost surely, 220000022231200 is an apocalyptic number.

20000022231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000022231200 is an abundant number, since it is smaller than the sum of its proper divisors (33265990713280).

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

20000022231200 is a wasteful number, since it uses less digits than its factorization.

20000022231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98911 (or 98898 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20000022231200 its reverse (213222000002), we get a palindrome (20213244231202).

The spelling of 20000022231200 in words is "twenty trillion, twenty-two million, two hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 8800 36341 62539 72682 125078 145364 181705 250156 290728 312695 363410 399751 500312 581456 625390 687929 726820 799502 908525 1000624 1162912 1250780 1375858 1453640 1563475 1599004 1817050 1998755 2001248 2501560 2751716 2907280 3126950 3198008 3439645 3634100 3997510 5003120 5503432 5814560 6253900 6396016 6879290 7268200 7995020 9993775 10006240 11006864 12507800 12792032 13758580 14536400 15990040 17198225 19987550 22013728 25015600 27517160 29072800 31980080 34396450 39975100 50031200 55034320 63960160 68792900 79950200 110068640 137585800 159900400 275171600 319800800 550343200 2272729799 4545459598 9090919196 11363648995 18181838392 22727297990 25000027789 36363676784 45454595980 50000055578 56818244975 72727353568 90909191960 100000111156 113636489950 125000138945 181818383920 200000222312 227272979900 250000277890 363636767840 400000444624 454545959800 500000555780 625000694725 800000889248 909091919600 1000001111560 1250001389450 1818183839200 2000002223120 2500002778900 4000004446240 5000005557800 10000011115600 20000022231200