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20330312333 = 107190002919
BaseRepresentation
bin10010111011110001…
…111111001010001101
31221110212001212120212
4102323301333022031
5313114024443313
613201205052205
71316542542422
oct227361771215
957425055525
1020330312333
118692a27621
123b346b7065
131bbcc59916
14dac109d49
157dec663a8
hex4bbc7f28d

20330312333 has 4 divisors (see below), whose sum is σ = 20520315360. Its totient is φ = 20140309308.

The previous prime is 20330312311. The next prime is 20330312363. The reversal of 20330312333 is 33321303302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20330312333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330312299 and 20330312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330312363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95001353 + ... + 95001566.

It is an arithmetic number, because the mean of its divisors is an integer number (5130078840).

Almost surely, 220330312333 is an apocalyptic number.

It is an amenable number.

20330312333 is a deficient number, since it is larger than the sum of its proper divisors (190003027).

20330312333 is a wasteful number, since it uses less digits than its factorization.

20330312333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190003026.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20330312333 its reverse (33321303302), we get a palindrome (53651615635).

The spelling of 20330312333 in words is "twenty billion, three hundred thirty million, three hundred twelve thousand, three hundred thirty-three".

Divisors: 1 107 190002919 20330312333