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2020550197 is a prime number
BaseRepresentation
bin111100001101111…
…0010011000110101
312012211000120210111
41320123302120311
513114230101242
6532255223021
7101033251621
oct17033623065
95184016714
102020550197
119476032a6
12484817a71
132627c1043
141524c8181
15bc5c1817
hex786f2635

2020550197 has 2 divisors, whose sum is σ = 2020550198. Its totient is φ = 2020550196.

The previous prime is 2020550173. The next prime is 2020550219. The reversal of 2020550197 is 7910550202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1661296081 + 359254116 = 40759^2 + 18954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020550197 - 211 = 2020548149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020550107) 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, 1010275098 + 1010275099.

It is an arithmetic number, because the mean of its divisors is an integer number (1010275099).

Almost surely, 22020550197 is an apocalyptic number.

It is an amenable number.

2020550197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020550197 is an equidigital number, since it uses as much as digits as its factorization.

2020550197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 2020550197 is about 44950.5305530424. The cubic root of 2020550197 is about 1264.2216247095.

The spelling of 2020550197 in words is "two billion, twenty million, five hundred fifty thousand, one hundred ninety-seven".