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20223312344 = 237873212089
BaseRepresentation
bin10010110101011001…
…110100000111011000
31221012101201201012022
4102311121310013120
5312404131443334
613142423434012
71314103214204
oct226531640730
957171651168
1020223312344
118638594984
123b048b5908
131ba3a34c11
14d9bc15b04
157d567c82e
hex4b56741d8

20223312344 has 16 divisors (see below), whose sum is σ = 37966903800. Its totient is φ = 10098804672.

The previous prime is 20223312337. The next prime is 20223312349. The reversal of 20223312344 is 44321332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223312349) 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 in 3 ways as a sum of consecutive naturals, for example, 1599749 + ... + 1612340.

Almost surely, 220223312344 is an apocalyptic number.

It is an amenable number.

20223312344 is a deficient number, since it is larger than the sum of its proper divisors (17743591456).

20223312344 is a wasteful number, since it uses less digits than its factorization.

20223312344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212882 (or 3212878 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20223312344 its reverse (44321332202), we get a palindrome (64544644546).

The spelling of 20223312344 in words is "twenty billion, two hundred twenty-three million, three hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 4 8 787 1574 3148 6296 3212089 6424178 12848356 25696712 2527914043 5055828086 10111656172 20223312344