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20522230222 = 2131762344789
BaseRepresentation
bin10011000111001110…
…000110000111001110
31221222020012022102211
4103013032012013032
5314012142331342
613232222341034
71324363035664
oct230716060716
957866168384
1020522230222
11878129a34a
123b88a2a77a
131c209442c0
14dc97c6c34
15801a25c17
hex4c73861ce

20522230222 has 16 divisors (see below), whose sum is σ = 33153916320. Its totient is φ = 9471049632.

The previous prime is 20522230199. The next prime is 20522230243. The reversal of 20522230222 is 22203222502.

It is a junction number, because it is equal to n+sod(n) for n = 20522230193 and 20522230202.

It is a congruent number.

It is an unprimeable number.

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, 435804 + ... + 480592.

It is an arithmetic number, because the mean of its divisors is an integer number (2072119770).

Almost surely, 220522230222 is an apocalyptic number.

20522230222 is a deficient number, since it is larger than the sum of its proper divisors (12631686098).

20522230222 is a wasteful number, since it uses less digits than its factorization.

20522230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62427.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20522230222 its reverse (22203222502), we get a palindrome (42725452724).

The spelling of 20522230222 in words is "twenty billion, five hundred twenty-two million, two hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 13 26 17623 35246 44789 89578 229099 458198 582257 1164514 789316547 1578633094 10261115111 20522230222