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20320330210 = 254149561781
BaseRepresentation
bin10010111011001011…
…111010000111100010
31221110011021201200121
4102323023322013202
5313104001031320
613200211110454
71316361646135
oct227313720742
957404251617
1020320330210
118688329934
123b312a242a
131bbab7323b
14daaa6c21c
157dde438aa
hex4bb2fa1e2

20320330210 has 16 divisors (see below), whose sum is σ = 37468707192. Its totient is φ = 7929884800.

The previous prime is 20320330207. The next prime is 20320330223. The reversal of 20320330210 is 1203302302.

It can be written as a sum of positive squares in 4 ways, for example, as 13210973721 + 7109356489 = 114939^2 + 84317^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24780481 + ... + 24781300.

Almost surely, 220320330210 is an apocalyptic number.

20320330210 is a deficient number, since it is larger than the sum of its proper divisors (17148376982).

20320330210 is a wasteful number, since it uses less digits than its factorization.

20320330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49561829.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20320330210 its reverse (1203302302), we get a palindrome (21523632512).

The spelling of 20320330210 in words is "twenty billion, three hundred twenty million, three hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 49561781 99123562 247808905 495617810 2032033021 4064066042 10160165105 20320330210