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22111010200020 = 22357311169277371
BaseRepresentation
bin1010000011100000111101…
…11010001001100111010100
32220021210101022120210220110
411001300132322021213110
510344231322102400040
6115005354033003020
74441316305452660
oct501603672114724
986253338523813
1022111010200020
117055254909185
1225913186b3470
13c450a0413aa1
145662701358a0
152852589a4980
hex141c1ee899d4

22111010200020 has 96 divisors (see below), whose sum is σ = 70982741846016. Its totient is φ = 5037694531200.

The previous prime is 22111010200009. The next prime is 22111010200021. The reversal of 22111010200020 is 2000201011122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22111010199969 and 22111010200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111010200021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84508066 + ... + 84769305.

It is an arithmetic number, because the mean of its divisors is an integer number (739403560896).

Almost surely, 222111010200020 is an apocalyptic number.

22111010200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111010200020 is an abundant number, since it is smaller than the sum of its proper divisors (48871731645996).

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

22111010200020 is a wasteful number, since it uses less digits than its factorization.

22111010200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169277701 (or 169277699 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22111010200020 its reverse (2000201011122), we get a palindrome (24111211211142).

The spelling of 22111010200020 in words is "twenty-two trillion, one hundred eleven billion, ten million, two hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 311 420 622 933 1244 1555 1866 2177 3110 3732 4354 4665 6220 6531 8708 9330 10885 13062 18660 21770 26124 32655 43540 65310 130620 169277371 338554742 507832113 677109484 846386855 1015664226 1184941597 1692773710 2031328452 2369883194 2539160565 3385547420 3554824791 4739766388 5078321130 5924707985 7109649582 10156642260 11849415970 14219299164 17774123955 23698831940 35548247910 52645262381 71096495820 105290524762 157935787143 210581049524 263226311905 315871574286 368516836667 526452623810 631743148572 737033673334 789678935715 1052905247620 1105550510001 1474067346668 1579357871430 1842584183335 2211101020002 3158715742860 3685168366670 4422202040004 5527752550005 7370336733340 11055505100010 22111010200020