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20441332141 = 31659397811
BaseRepresentation
bin10011000010011001…
…011111100110101101
31221202120222021010121
4103002121133212231
5313330440112031
613220212404541
71322361312346
oct230231374655
957676867117
1020441332141
11873a66542a
123b65916751
131c09c5b209
14dbcb690cd
157e9896011
hex4c265f9ad

20441332141 has 4 divisors (see below), whose sum is σ = 21100729984. Its totient is φ = 19781934300.

The previous prime is 20441332069. The next prime is 20441332147. The reversal of 20441332141 is 14123314402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20441332141 - 27 = 20441332013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441332147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329698875 + ... + 329698936.

It is an arithmetic number, because the mean of its divisors is an integer number (5275182496).

Almost surely, 220441332141 is an apocalyptic number.

It is an amenable number.

20441332141 is a deficient number, since it is larger than the sum of its proper divisors (659397843).

20441332141 is an equidigital number, since it uses as much as digits as its factorization.

20441332141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659397842.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20441332141 its reverse (14123314402), we get a palindrome (34564646543).

The spelling of 20441332141 in words is "twenty billion, four hundred forty-one million, three hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 31 659397811 20441332141