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20102210220211 = 753102953526297
BaseRepresentation
bin1001001001000011010010…
…00110010111000010110011
32122011202022121000200001021
410210201221012113002303
510113323311304021321
6110430454453520311
74143223336404040
oct444415106270263
978152277020037
1020102210220211
116450332673309
122307b39643097
13b2a826992992
144d6d48a5a1c7
1524cd8815a941
hex1248691970b3

20102210220211 has 16 divisors (see below), whose sum is σ = 23407697214144. Its totient is φ = 16905166447104.

The previous prime is 20102210220203. The next prime is 20102210220221. The reversal of 20102210220211 is 11202201220102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20102210220211 - 23 = 20102210220203 is a prime.

It is a super-2 number, since 2×201022102202112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102210220221) 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 15 ways as a sum of consecutive naturals, for example, 37932415 + ... + 38458711.

It is an arithmetic number, because the mean of its divisors is an integer number (1462981075884).

Almost surely, 220102210220211 is an apocalyptic number.

20102210220211 is a deficient number, since it is larger than the sum of its proper divisors (3305486993933).

20102210220211 is a wasteful number, since it uses less digits than its factorization.

20102210220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629310.

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

Adding to 20102210220211 its reverse (11202201220102), we get a palindrome (31304411440313).

The spelling of 20102210220211 in words is "twenty trillion, one hundred two billion, two hundred ten million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 7 53 371 102953 526297 720671 3684079 5456509 27893741 38195563 195256187 54183855041 379286985287 2871744317173 20102210220211