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2020222409 is a prime number
BaseRepresentation
bin111100001101010…
…0010010111001001
312012210101221011012
41320122202113021
513114134104114
6532244213305
7101030415152
oct17032422711
95183357135
102020222409
119473a9aa7
1248469a235
13262707a9a
14152440929
15bc55963e
hex786a25c9

2020222409 has 2 divisors, whose sum is σ = 2020222410. Its totient is φ = 2020222408.

The previous prime is 2020222357. The next prime is 2020222417. The reversal of 2020222409 is 9042220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1539385225 + 480837184 = 39235^2 + 21928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020222409 - 28 = 2020222153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020222429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111204 + 1010111205.

It is an arithmetic number, because the mean of its divisors is an integer number (1010111205).

Almost surely, 22020222409 is an apocalyptic number.

It is an amenable number.

2020222409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020222409 is an equidigital number, since it uses as much as digits as its factorization.

2020222409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2020222409 is about 44946.8843080363. The cubic root of 2020222409 is about 1264.1532573428.

The spelling of 2020222409 in words is "two billion, twenty million, two hundred twenty-two thousand, four hundred nine".