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20233030331220 = 22357129793711679
BaseRepresentation
bin1001001100110110111101…
…00101011110101101010100
32122122020222200010212110220
410212123132211132231110
510122444221231044340
6111010531550514340
74155534232115430
oct446333645365524
978566880125426
1020233030331220
1164a0864169a33
122329368b059b0
13b39c7473c1a5
144dd3d90079c0
15251492eb9ed0
hex1266de95eb54

20233030331220 has 96 divisors (see below), whose sum is σ = 64750703001600. Its totient is φ = 4624335080064.

The previous prime is 20233030331207. The next prime is 20233030331279. The reversal of 20233030331220 is 2213303033202.

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, 3595341 + ... + 7307019.

It is an arithmetic number, because the mean of its divisors is an integer number (674486489600).

Almost surely, 220233030331220 is an apocalyptic number.

20233030331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233030331220 is an abundant number, since it is smaller than the sum of its proper divisors (44517672670380).

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

20233030331220 is a wasteful number, since it uses less digits than its factorization.

20233030331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724677 (or 3724675 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20233030331220 its reverse (2213303033202), we get a palindrome (22446333364422).

The spelling of 20233030331220 in words is "twenty trillion, two hundred thirty-three billion, thirty million, three hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 12979 25958 38937 51916 64895 77874 90853 129790 155748 181706 194685 259580 272559 363412 389370 454265 545118 778740 908530 1090236 1362795 1817060 2725590 3711679 5451180 7423358 11135037 14846716 18558395 22270074 25981753 37116790 44540148 51963506 55675185 74233580 77945259 103927012 111350370 129908765 155890518 222700740 259817530 311781036 389726295 519635060 779452590 1558905180 48173881741 96347763482 144521645223 192695526964 240869408705 289043290446 337217172187 481738817410 578086580892 674434344374 722608226115 963477634820 1011651516561 1348868688748 1445216452230 1686085860935 2023303033122 2890432904460 3372171721870 4046606066244 5058257582805 6744343443740 10116515165610 20233030331220