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20220222120 = 2335767359279
BaseRepresentation
bin10010110101001110…
…000001101010101000
31221012011220201012120
4102311032001222220
5312402334101440
613142233311240
71314035023620
oct226516015250
957164821176
1020220222120
11863687417a
123b03865520
131ba31c2497
14d9b64d880
157d526bdd0
hex4b5381aa8

20220222120 has 128 divisors (see below), whose sum is σ = 70361395200. Its totient is φ = 4552770816.

The previous prime is 20220222101. The next prime is 20220222133. The reversal of 20220222120 is 2122202202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20220222120.

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, 123360 + ... + 235919.

It is an arithmetic number, because the mean of its divisors is an integer number (549698400).

Almost surely, 220220222120 is an apocalyptic number.

20220222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220222120 is an abundant number, since it is smaller than the sum of its proper divisors (50141173080).

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

20220222120 is a wasteful number, since it uses less digits than its factorization.

20220222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359367 (or 359363 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20220222120 its reverse (2122202202), we get a palindrome (22342424322).

The spelling of 20220222120 in words is "twenty billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 67 70 84 105 120 134 140 168 201 210 268 280 335 402 420 469 536 670 804 840 938 1005 1340 1407 1608 1876 2010 2345 2680 2814 3752 4020 4690 5628 7035 8040 9380 11256 14070 18760 28140 56280 359279 718558 1077837 1437116 1796395 2155674 2514953 2874232 3592790 4311348 5029906 5389185 7185580 7544859 8622696 10059812 10778370 12574765 14371160 15089718 20119624 21556740 24071693 25149530 30179436 37724295 43113480 48143386 50299060 60358872 72215079 75448590 96286772 100598120 120358465 144430158 150897180 168501851 192573544 240716930 288860316 301794360 337003702 361075395 481433860 505505553 577720632 674007404 722150790 842509255 962867720 1011011106 1348014808 1444301580 1685018510 2022022212 2527527765 2888603160 3370037020 4044044424 5055055530 6740074040 10110111060 20220222120