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20330352083 = 83439577967
BaseRepresentation
bin10010111011110010…
…001000110111010011
31221110212010220010002
4102323302020313103
5313114032231313
613201210000215
71316543066336
oct227362106723
957425126102
1020330352083
118692a54478
123b3471606b
131bbcc71a42
14dac11a61d
157dec73058
hex4bbc88dd3

20330352083 has 16 divisors (see below), whose sum is σ = 20679267840. Its totient is φ = 19984237056.

The previous prime is 20330352059. The next prime is 20330352109. The reversal of 20330352083 is 38025303302.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20330352083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330352883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21023666 + ... + 21024632.

It is an arithmetic number, because the mean of its divisors is an integer number (1292454240).

Almost surely, 220330352083 is an apocalyptic number.

20330352083 is a deficient number, since it is larger than the sum of its proper divisors (348915757).

20330352083 is an equidigital number, since it uses as much as digits as its factorization.

20330352083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20330352083 its reverse (38025303302), we get a palindrome (58355655385).

The spelling of 20330352083 in words is "twenty billion, three hundred thirty million, three hundred fifty-two thousand, eighty-three".

Divisors: 1 83 439 577 967 36437 47891 80261 253303 424513 557959 21024149 35234579 46310597 244944001 20330352083