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20325106266 = 239734922863
BaseRepresentation
bin10010111011011110…
…001000001001011010
31221110111021101012120
4102323132020021122
5313111211400031
613200501322110
71316450360403
oct227336101132
957414241176
1020325106266
11868aaa1193
123b32a06336
131bbbb560ca
14dab5529aa
157de588a96
hex4bb78825a

20325106266 has 16 divisors (see below), whose sum is σ = 41069288064. Its totient is φ = 6705189504.

The previous prime is 20325106247. The next prime is 20325106283. The reversal of 20325106266 is 66260152302.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 17460850 + ... + 17462013.

It is an arithmetic number, because the mean of its divisors is an integer number (2566830504).

Almost surely, 220325106266 is an apocalyptic number.

20325106266 is an abundant number, since it is smaller than the sum of its proper divisors (20744181798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20325106266 is a wasteful number, since it uses less digits than its factorization.

20325106266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34922965.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 20325106266 its reverse (66260152302), we get a palindrome (86585258568).

The spelling of 20325106266 in words is "twenty billion, three hundred twenty-five million, one hundred six thousand, two hundred sixty-six".

Divisors: 1 2 3 6 97 194 291 582 34922863 69845726 104768589 209537178 3387517711 6775035422 10162553133 20325106266