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20422341 = 331077069
BaseRepresentation
bin100110111100…
…1111011000101
31102102120012000
41031321323011
520212003331
62005415513
7335405232
oct115717305
942376160
1020422341
1110589675
126a0a599
134300734
1429d8789
151bd60e6
hex1379ec5

20422341 has 16 divisors (see below), whose sum is σ = 30542400. Its totient is φ = 13485744.

The previous prime is 20422313. The next prime is 20422343. The reversal of 20422341 is 14322402.

It is not a de Polignac number, because 20422341 - 25 = 20422309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 6423.

It is an arithmetic number, because the mean of its divisors is an integer number (1908900).

Almost surely, 220422341 is an apocalyptic number.

It is an amenable number.

20422341 is a deficient number, since it is larger than the sum of its proper divisors (10120059).

20422341 is a wasteful number, since it uses less digits than its factorization.

20422341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7179 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20422341 is about 4519.1084297680. The cubic root of 20422341 is about 273.3391510098.

Adding to 20422341 its reverse (14322402), we get a palindrome (34744743).

The spelling of 20422341 in words is "twenty million, four hundred twenty-two thousand, three hundred forty-one".

Divisors: 1 3 9 27 107 321 963 2889 7069 21207 63621 190863 756383 2269149 6807447 20422341