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20222430255 = 325449387339
BaseRepresentation
bin10010110101010110…
…011100110000101111
31221012100001220012100
4102311112130300233
5312403420232010
613142352510143
71314062551416
oct226526346057
957170056170
1020222430255
118638042185
123b0454b353
131ba37b6581
14d9ba6647d
157d55562c0
hex4b559cc2f

20222430255 has 12 divisors (see below), whose sum is σ = 35052212520. Its totient is φ = 10785296112.

The previous prime is 20222430233. The next prime is 20222430269. The reversal of 20222430255 is 55203422202.

20222430255 is a `hidden beast` number, since 2 + 0 + 222 + 430 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 20222430255 - 217 = 20222299183 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 224693625 + ... + 224693714.

It is an arithmetic number, because the mean of its divisors is an integer number (2921017710).

Almost surely, 220222430255 is an apocalyptic number.

20222430255 is a deficient number, since it is larger than the sum of its proper divisors (14829782265).

20222430255 is a wasteful number, since it uses less digits than its factorization.

20222430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449387350 (or 449387347 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 20222430255 its reverse (55203422202), we get a palindrome (75425852457).

The spelling of 20222430255 in words is "twenty billion, two hundred twenty-two million, four hundred thirty thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 45 449387339 1348162017 2246936695 4044486051 6740810085 20222430255