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20220381822 = 233791082801
BaseRepresentation
bin10010110101001110…
…101000101001111110
31221012012012211021110
4102311032220221332
5312402404204242
613142240542450
71314036260334
oct226516505176
957165184243
1020220381822
118636973163
123b03921a26
131ba324a094
14d9b691b54
157d529e39c
hex4b53a8a7e

20220381822 has 16 divisors (see below), whose sum is σ = 41533757712. Its totient is φ = 6557961600.

The previous prime is 20220381793. The next prime is 20220381829. The reversal of 20220381822 is 22818302202.

It is a self number, because there is not a number n which added to its sum of digits gives 20220381822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220381829) 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 7 ways as a sum of consecutive naturals, for example, 45541179 + ... + 45541622.

It is an arithmetic number, because the mean of its divisors is an integer number (2595859857).

Almost surely, 220220381822 is an apocalyptic number.

20220381822 is an abundant number, since it is smaller than the sum of its proper divisors (21313375890).

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

20220381822 is a wasteful number, since it uses less digits than its factorization.

20220381822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91082843.

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

The spelling of 20220381822 in words is "twenty billion, two hundred twenty million, three hundred eighty-one thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 91082801 182165602 273248403 546496806 3370063637 6740127274 10110190911 20220381822