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20102210210122 = 229754794591871
BaseRepresentation
bin1001001001000011010010…
…00110010100100101001010
32122011202022121000011012121
410210201221012110211022
510113323311303210442
6110430454453401454
74143223336332445
oct444415106244512
978152277004177
1020102210210122
116450332666777
122307b3963928a
13b2a82698b201
144d6d48a5665c
1524cd88157967
hex12486919494a

20102210210122 has 16 divisors (see below), whose sum is σ = 31193504870400. Its totient is φ = 9704384588080.

The previous prime is 20102210210111. The next prime is 20102210210213. The reversal of 20102210210122 is 22101201220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102210210096 and 20102210210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081847 + ... + 6673717.

It is an arithmetic number, because the mean of its divisors is an integer number (1949594054400).

Almost surely, 220102210210122 is an apocalyptic number.

20102210210122 is a deficient number, since it is larger than the sum of its proper divisors (11091294660278).

20102210210122 is a wasteful number, since it uses less digits than its factorization.

20102210210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667381.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102210210122 its reverse (22101201220102), we get a palindrome (42203411430224).

The spelling of 20102210210122 in words is "twenty trillion, one hundred two billion, two hundred ten million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 29 58 75479 150958 2188891 4377782 4591871 9183742 133164259 266328518 346589831209 693179662418 10051105105061 20102210210122