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2020108667 is a prime number
BaseRepresentation
bin111100001101000…
…0110100101111011
312012210012011010112
41320122012211323
513114121434132
6532241534535
7101026432433
oct17032064573
95183164115
102020108667
119473315a5
1248464444b
13262698095
141524112c3
15bc535ab2
hex7868697b

2020108667 has 2 divisors, whose sum is σ = 2020108668. Its totient is φ = 2020108666.

The previous prime is 2020108661. The next prime is 2020108679. The reversal of 2020108667 is 7668010202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020108667 - 210 = 2020107643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020108661) 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, 1010054333 + 1010054334.

It is an arithmetic number, because the mean of its divisors is an integer number (1010054334).

Almost surely, 22020108667 is an apocalyptic number.

2020108667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020108667 is an equidigital number, since it uses as much as digits as its factorization.

2020108667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2020108667 is about 44945.6189967387. The cubic root of 2020108667 is about 1264.1295322292.

Adding to 2020108667 its reverse (7668010202), we get a palindrome (9688118869).

The spelling of 2020108667 in words is "two billion, twenty million, one hundred eight thousand, six hundred sixty-seven".