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2020368817 is a prime number
BaseRepresentation
bin111100001101100…
…0110000110110001
312012210200100222201
41320123012012301
513114203300232
6532251303201
7101031565045
oct17033060661
95183610881
102020368817
11947499aa5
1248474ab01
1326275960c
1415247c025
15bc587be7
hex786c61b1

2020368817 has 2 divisors, whose sum is σ = 2020368818. Its totient is φ = 2020368816.

The previous prime is 2020368811. The next prime is 2020368821. The reversal of 2020368817 is 7188630202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016997921 + 3370896 = 44911^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020368817 - 23 = 2020368809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020368811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010184408 + 1010184409.

It is an arithmetic number, because the mean of its divisors is an integer number (1010184409).

Almost surely, 22020368817 is an apocalyptic number.

It is an amenable number.

2020368817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020368817 is an equidigital number, since it uses as much as digits as its factorization.

2020368817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2020368817 is about 44948.5129564928. The cubic root of 2020368817 is about 1264.1837948517.

The spelling of 2020368817 in words is "two billion, twenty million, three hundred sixty-eight thousand, eight hundred seventeen".