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2020445069 is a prime number
BaseRepresentation
bin111100001101101…
…1000101110001101
312012210211020120212
41320123120232031
513114213220234
6532253052205
7101032333256
oct17033305615
95183736525
102020445069
11947541315
12484787065
13262785236
1415249bb2d
15bc5a05ce
hex786d8b8d

2020445069 has 2 divisors, whose sum is σ = 2020445070. Its totient is φ = 2020445068.

The previous prime is 2020445039. The next prime is 2020445117. The reversal of 2020445069 is 9605440202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1462068169 + 558376900 = 38237^2 + 23630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020445069 - 28 = 2020444813 is a prime.

It is a super-2 number, since 2×20204450692 = 8164396553692829522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020445039) by changing a digit.

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 as a sum of consecutive naturals, namely, 1010222534 + 1010222535.

It is an arithmetic number, because the mean of its divisors is an integer number (1010222535).

Almost surely, 22020445069 is an apocalyptic number.

It is an amenable number.

2020445069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020445069 is an equidigital number, since it uses as much as digits as its factorization.

2020445069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2020445069 is about 44949.3611634248. The cubic root of 2020445069 is about 1264.1996987680.

The spelling of 2020445069 in words is "two billion, twenty million, four hundred forty-five thousand, sixty-nine".