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20882226 = 234637517
BaseRepresentation
bin100111110101…
…0001100110010
31110021221000210
41033222030302
520321212401
62023324550
7342332061
oct117521462
943257023
1020882226
1110873142
126bb0756
134431b61
142ab81d8
151c774d6
hex13ea332

20882226 has 16 divisors (see below), whose sum is σ = 41860224. Its totient is φ = 6944784.

The previous prime is 20882209. The next prime is 20882261. The reversal of 20882226 is 62228802.

It is a junction number, because it is equal to n+sod(n) for n = 20882193 and 20882202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (2616264).

Almost surely, 220882226 is an apocalyptic number.

20882226 is an abundant number, since it is smaller than the sum of its proper divisors (20977998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20882226 is a wasteful number, since it uses less digits than its factorization.

20882226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20882226 is about 4569.7074304599. The cubic root of 20882226 is about 275.3756892759.

The spelling of 20882226 in words is "twenty million, eight hundred eighty-two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 463 926 1389 2778 7517 15034 22551 45102 3480371 6960742 10441113 20882226