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2222120131020 = 22325231075016299
BaseRepresentation
bin100000010101100000101…
…011100101100111001100
321212102200101001121201100
4200111200223211213030
5242401400223143040
64420454454143100
7316354131315666
oct40254053454714
97772611047640
102222120131020
117874399798a9
122ba7b3651a90
13131711576c6a
14797a0663536
153cc083aeb30
hex20560ae59cc

2222120131020 has 144 divisors (see below), whose sum is σ = 7099228281600. Its totient is φ = 561504332928.

The previous prime is 2222120130961. The next prime is 2222120131037. The reversal of 2222120131020 is 201310212222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2222120130984 and 2222120131002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2065170 + ... + 2951129.

It is an arithmetic number, because the mean of its divisors is an integer number (49300196400).

Almost surely, 22222120131020 is an apocalyptic number.

2222120131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222120131020 is an abundant number, since it is smaller than the sum of its proper divisors (4877108150580).

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

2222120131020 is a wasteful number, since it uses less digits than its factorization.

2222120131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016444 (or 5016439 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2222120131020 its reverse (201310212222), we get a palindrome (2423430343242).

The spelling of 2222120131020 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 107 115 138 180 207 214 230 276 321 345 414 428 460 535 642 690 828 963 1035 1070 1284 1380 1605 1926 2070 2140 2461 3210 3852 4140 4815 4922 6420 7383 9630 9844 12305 14766 19260 22149 24610 29532 36915 44298 49220 73830 88596 110745 147660 221490 442980 5016299 10032598 15048897 20065196 25081495 30097794 45146691 50162990 60195588 75244485 90293382 100325980 115374877 150488970 180586764 225733455 230749754 300977940 346124631 451466910 461499508 536743993 576874385 692249262 902933820 1038373893 1073487986 1153748770 1384498524 1610231979 1730623155 2076747786 2146975972 2307497540 2683719965 3220463958 3461246310 4153495572 4830695937 5191869465 5367439930 6440927916 6922492620 8051159895 9661391874 10383738930 10734879860 12345111839 16102319790 19322783748 20767477860 24153479685 24690223678 32204639580 37035335517 48306959370 49380447356 61725559195 74070671034 96613918740 111106006551 123451118390 148141342068 185176677585 222212013102 246902236780 370353355170 444424026204 555530032755 740706710340 1111060065510 2222120131020