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20110220100222 = 237478814764291
BaseRepresentation
bin1001001001010010001101…
…00001101000001001111110
32122012111222211000201202220
410210221012201220021332
510113441212321201342
6110434301345230210
74143626000303640
oct444510641501176
978174884021686
1020110220100222
116453772a7975a
1223095b4032366
13b2b502284b55
144d74a8776890
1524d1a64585ec
hex124a4686827e

20110220100222 has 16 divisors (see below), whose sum is σ = 45966217372032. Its totient is φ = 5745777171480.

The previous prime is 20110220100221. The next prime is 20110220100251. The reversal of 20110220100222 is 22200102201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110220100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239407382104 + ... + 239407382187.

It is an arithmetic number, because the mean of its divisors is an integer number (2872888585752).

Almost surely, 220110220100222 is an apocalyptic number.

20110220100222 is an abundant number, since it is smaller than the sum of its proper divisors (25855997271810).

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

20110220100222 is a wasteful number, since it uses less digits than its factorization.

20110220100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478814764303.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110220100222 its reverse (22200102201102), we get a palindrome (42310322301324).

The spelling of 20110220100222 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 478814764291 957629528582 1436444292873 2872888585746 3351703350037 6703406700074 10055110050111 20110220100222