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20420232411 = 350539134683
BaseRepresentation
bin10011000001001001…
…000000010011011011
31221201010021021202010
4103001021000103123
5313310034414121
613214140241003
71322014053165
oct230111002333
957633237663
1020420232411
118729763937
123b5a840163
131c05781377
14dba035935
157e7ac9376
hex4c12404db

20420232411 has 8 divisors (see below), whose sum is σ = 27227717440. Its totient is φ = 13613117832.

The previous prime is 20420232389. The next prime is 20420232421. The reversal of 20420232411 is 11423202402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20420232411 - 210 = 20420231387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20420232421) by changing a digit.

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, 84276 + ... + 218958.

It is an arithmetic number, because the mean of its divisors is an integer number (3403464680).

Almost surely, 220420232411 is an apocalyptic number.

20420232411 is a deficient number, since it is larger than the sum of its proper divisors (6807485029).

20420232411 is a wasteful number, since it uses less digits than its factorization.

20420232411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185225.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20420232411 its reverse (11423202402), we get a palindrome (31843434813).

The spelling of 20420232411 in words is "twenty billion, four hundred twenty million, two hundred thirty-two thousand, four hundred eleven".

Divisors: 1 3 50539 134683 151617 404049 6806744137 20420232411