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20092069 is a prime number
BaseRepresentation
bin100110010100…
…1010010100101
31101210210010201
41030221102211
520120421234
61554350501
7332531314
oct114512245
941723121
1020092069
1110383518
12688b431
1342162ca
14295027b
151b6d314
hex13294a5

20092069 has 2 divisors, whose sum is σ = 20092070. Its totient is φ = 20092068.

The previous prime is 20092067. The next prime is 20092081. The reversal of 20092069 is 96029002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 9529569 = 3250^2 + 3087^2 .

It is a cyclic number.

It is not a de Polignac number, because 20092069 - 21 = 20092067 is a prime.

It is a super-2 number, since 2×200920692 = 807382473401522, which contains 22 as substring.

Together with 20092067, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20092067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046034 + 10046035.

It is an arithmetic number, because the mean of its divisors is an integer number (10046035).

Almost surely, 220092069 is an apocalyptic number.

It is an amenable number.

20092069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20092069 is an equidigital number, since it uses as much as digits as its factorization.

20092069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 20092069 is about 4482.4177627704. The cubic root of 20092069 is about 271.8576470009.

The spelling of 20092069 in words is "twenty million, ninety-two thousand, sixty-nine".