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20022212269 is a prime number
BaseRepresentation
bin10010101001011010…
…101011011010101101
31220200101022202202101
4102221122223122231
5312001141243034
613110441255101
71306111665463
oct225132533255
956611282671
1020022212269
118545020474
123a69494491
131b71183ca7
14d7d228833
157c2ba7514
hex4a96ab6ad

20022212269 has 2 divisors, whose sum is σ = 20022212270. Its totient is φ = 20022212268.

The previous prime is 20022212173. The next prime is 20022212311. The reversal of 20022212269 is 96221222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16387328169 + 3634884100 = 128013^2 + 60290^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022212269 - 213 = 20022204077 is a prime.

It is a super-2 number, since 2×200222122692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022212869) 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 as a sum of consecutive naturals, namely, 10011106134 + 10011106135.

It is an arithmetic number, because the mean of its divisors is an integer number (10011106135).

Almost surely, 220022212269 is an apocalyptic number.

It is an amenable number.

20022212269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022212269 is an equidigital number, since it uses as much as digits as its factorization.

20022212269 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 28.

The spelling of 20022212269 in words is "twenty billion, twenty-two million, two hundred twelve thousand, two hundred sixty-nine".