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110020220 = 22541134171
BaseRepresentation
bin1101000111011…
…00011001111100
321200000121100222
412203230121330
5211131121340
614530040512
72504104442
oct643543174
9250017328
10110020220
1157115902
1230a19138
1319a4162b
141087cb92
1599d38b5
hex68ec67c

110020220 has 24 divisors (see below), whose sum is σ = 236679408. Its totient is φ = 42934400.

The previous prime is 110020181. The next prime is 110020223. The reversal of 110020220 is 22020011.

It is a junction number, because it is equal to n+sod(n) for n = 110020198 and 110020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66266 + ... + 67905.

It is an arithmetic number, because the mean of its divisors is an integer number (9861642).

Almost surely, 2110020220 is an apocalyptic number.

110020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110020220 is an abundant number, since it is smaller than the sum of its proper divisors (126659188).

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

110020220 is a wasteful number, since it uses less digits than its factorization.

110020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134221 (or 134219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 110020220 is about 10489.0523880854. The cubic root of 110020220 is about 479.1713422438.

Adding to 110020220 its reverse (22020011), we get a palindrome (132040231).

The spelling of 110020220 in words is "one hundred ten million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 134171 268342 536684 670855 1341710 2683420 5501011 11002022 22004044 27505055 55010110 110020220