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20441322331 = 53894333543
BaseRepresentation
bin10011000010011001…
…011101001101011011
31221202120221202200021
4103002121131031123
5313330434303311
613220212251311
71322361241633
oct230231351533
957676852607
1020441322331
11873a659021
123b65910b37
131c09c56901
14dbcb656c3
157e9893171
hex4c265d35b

20441322331 has 8 divisors (see below), whose sum is σ = 21061023840. Its totient is φ = 19830288192.

The previous prime is 20441322323. The next prime is 20441322353. The reversal of 20441322331 is 13322314402.

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

It is a cyclic number.

It is not a de Polignac number, because 20441322331 - 23 = 20441322323 is a prime.

It is a super-2 number, since 2×204413223312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20441322296 and 20441322305.

It is not an unprimeable number, because it can be changed into a prime (20441322361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162055 + ... + 2171488.

It is an arithmetic number, because the mean of its divisors is an integer number (2632627980).

Almost surely, 220441322331 is an apocalyptic number.

20441322331 is a deficient number, since it is larger than the sum of its proper divisors (619701509).

20441322331 is an equidigital number, since it uses as much as digits as its factorization.

20441322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333685.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20441322331 its reverse (13322314402), we get a palindrome (33763636733).

The spelling of 20441322331 in words is "twenty billion, four hundred forty-one million, three hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 53 89 4717 4333543 229677779 385685327 20441322331