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20102020222169 is a prime number
BaseRepresentation
bin1001001001000010111011…
…10001100100110011011001
32122011201211100111202201202
410210201131301210303121
510113322414134102134
6110430423545323545
74143215541424634
oct444413561446331
978151740452652
1020102020222169
1164502453a1a36
122307aa5a965b5
13b2a7c64cb0c2
144d6d2b71cc1b
1524cd76629d7e
hex12485dc64cd9

20102020222169 has 2 divisors, whose sum is σ = 20102020222170. Its totient is φ = 20102020222168.

The previous prime is 20102020222093. The next prime is 20102020222183. The reversal of 20102020222169 is 96122202020102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19935689203600 + 166331018569 = 4464940^2 + 407837^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102020222169 - 224 = 20102003444953 is a prime.

It is a super-2 number, since 2×201020202221692 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20102020222199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051010111084 + 10051010111085.

It is an arithmetic number, because the mean of its divisors is an integer number (10051010111085).

Almost surely, 220102020222169 is an apocalyptic number.

It is an amenable number.

20102020222169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102020222169 is an equidigital number, since it uses as much as digits as its factorization.

20102020222169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20102020222169 in words is "twenty trillion, one hundred two billion, twenty million, two hundred twenty-two thousand, one hundred sixty-nine".