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20020222323 = 3210146347569
BaseRepresentation
bin10010101001010011…
…000101100101110011
31220200020120200001200
4102221103011211303
5312000134103243
613110330502243
71306056040053
oct225123054563
956606520050
1020020222323
118543991392
123a68894983
131b709382ca
14d7cc6b563
157c2912ad3
hex4a94c5973

20020222323 has 24 divisors (see below), whose sum is σ = 29268108480. Its totient is φ = 13185849600.

The previous prime is 20020222283. The next prime is 20020222331. The reversal of 20020222323 is 32322202002.

It is not a de Polignac number, because 20020222323 - 29 = 20020221811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020222296 and 20020222305.

It is not an unprimeable number, because it can be changed into a prime (20020272323) 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 23 ways as a sum of consecutive naturals, for example, 397083 + ... + 444651.

It is an arithmetic number, because the mean of its divisors is an integer number (1219504520).

Almost surely, 220020222323 is an apocalyptic number.

20020222323 is a deficient number, since it is larger than the sum of its proper divisors (9247886157).

20020222323 is a wasteful number, since it uses less digits than its factorization.

20020222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48139 (or 48136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20020222323 its reverse (32322202002), we get a palindrome (52342424325).

The spelling of 20020222323 in words is "twenty billion, twenty million, two hundred twenty-two thousand, three hundred twenty-three".

Divisors: 1 3 9 101 303 463 909 1389 4167 46763 47569 140289 142707 420867 428121 4804469 14413407 22024447 43240221 66073341 198220023 2224469147 6673407441 20020222323