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20422627 = 175232297
BaseRepresentation
bin100110111100…
…1111111100011
31102102120120121
41031321333203
520212011002
62005421111
7335406121
oct115717743
942376517
1020422627
1110589905
126a0a797
1343008c4
1429d8911
151bd6237
hex1379fe3

20422627 has 8 divisors (see below), whose sum is σ = 21674736. Its totient is φ = 19176192.

The previous prime is 20422613. The next prime is 20422637. The reversal of 20422627 is 72622402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20422627 - 27 = 20422499 is a prime.

It is a super-2 number, since 2×204226272 = 834167387162258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422637) 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 7 ways as a sum of consecutive naturals, for example, 7743 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (2709342).

Almost surely, 220422627 is an apocalyptic number.

20422627 is a deficient number, since it is larger than the sum of its proper divisors (1252109).

20422627 is a wasteful number, since it uses less digits than its factorization.

20422627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20422627 is about 4519.1400730670. The cubic root of 20422627 is about 273.3404269757.

The spelling of 20422627 in words is "twenty million, four hundred twenty-two thousand, six hundred twenty-seven".

Divisors: 1 17 523 2297 8891 39049 1201331 20422627