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20221322030 = 2571322221233
BaseRepresentation
bin10010110101010010…
…001110001100101110
31221012020222120222222
4102311102032030232
5312403124301110
613142313035342
71314050254430
oct226522161456
957166876888
1020221322030
118637455598
123b040b5b52
131ba34b9010
14d9b858650
157d53d7c55
hex4b548e32e

20221322030 has 32 divisors (see below), whose sum is σ = 44798007744. Its totient is φ = 6399714816.

The previous prime is 20221321997. The next prime is 20221322053. The reversal of 20221322030 is 3022312202.

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 15 ways as a sum of consecutive naturals, for example, 11109707 + ... + 11111526.

It is an arithmetic number, because the mean of its divisors is an integer number (1399937742).

Almost surely, 220221322030 is an apocalyptic number.

20221322030 is an abundant number, since it is smaller than the sum of its proper divisors (24576685714).

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

20221322030 is a wasteful number, since it uses less digits than its factorization.

20221322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221260.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20221322030 its reverse (3022312202), we get a palindrome (23243634232).

The spelling of 20221322030 in words is "twenty billion, two hundred twenty-one million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 22221233 44442466 111106165 155548631 222212330 288876029 311097262 577752058 777743155 1444380145 1555486310 2022132203 2888760290 4044264406 10110661015 20221322030