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20441324442 = 2371144245291
BaseRepresentation
bin10011000010011001…
…011101101110011010
31221202120221212120110
4103002121131232122
5313330434340232
613220212305150
71322361251040
oct230231355632
957676855513
1020441324442
11873a65a670
123b659121b6
131c09c57866
14dbcb66390
157e9893acc
hex4c265db9a

20441324442 has 32 divisors (see below), whose sum is σ = 50970576384. Its totient is φ = 5309434800.

The previous prime is 20441324437. The next prime is 20441324461. The reversal of 20441324442 is 24442314402.

It is a super-2 number, since 2×204413244422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22122184 + ... + 22123107.

It is an arithmetic number, because the mean of its divisors is an integer number (1592830512).

Almost surely, 220441324442 is an apocalyptic number.

20441324442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20441324442 is an abundant number, since it is smaller than the sum of its proper divisors (30529251942).

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

20441324442 is a wasteful number, since it uses less digits than its factorization.

20441324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44245314.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20441324442 its reverse (24442314402), we get a palindrome (44883638844).

The spelling of 20441324442 in words is "twenty billion, four hundred forty-one million, three hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 44245291 88490582 132735873 265471746 309717037 486698201 619434074 929151111 973396402 1460094603 1858302222 2920189206 3406887407 6813774814 10220662221 20441324442