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20220124431 = 3138317934897
BaseRepresentation
bin10010110101001101…
…101001110100001111
31221012011201202012110
4102311031221310033
5312402322440211
613142231235103
71314034136043
oct226515516417
957164652173
1020220124431
118636807841
123b03818a93
131ba3189b90
14d9b626023
157d524cea6
hex4b5369d0f

20220124431 has 32 divisors (see below), whose sum is σ = 29548834560. Its totient is φ = 12224208384.

The previous prime is 20220124429. The next prime is 20220124453. The reversal of 20220124431 is 13442102202.

It is not a de Polignac number, because 20220124431 - 21 = 20220124429 is a prime.

It is a super-2 number, since 2×202201244312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220124398 and 20220124407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220124471) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 561975 + ... + 596871.

It is an arithmetic number, because the mean of its divisors is an integer number (923401080).

Almost surely, 220220124431 is an apocalyptic number.

20220124431 is a deficient number, since it is larger than the sum of its proper divisors (9328710129).

20220124431 is a wasteful number, since it uses less digits than its factorization.

20220124431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35175.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20220124431 its reverse (13442102202), we get a palindrome (33662226633).

The spelling of 20220124431 in words is "twenty billion, two hundred twenty million, one hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 13 39 83 179 249 537 1079 2327 3237 6981 14857 34897 44571 104691 193141 453661 579423 1360983 2896451 6246563 8689353 18739689 37653863 81205319 112961589 243615957 518464729 1555394187 6740041477 20220124431