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20041004444 = 2232031564237
BaseRepresentation
bin10010101010100010…
…010111010110011100
31220201200200111202212
4102222202113112130
5312020444120234
613112352135552
71306430504246
oct225242272634
956650614685
1020041004444
11855469629a
123a738375b8
131b75033716
14d8191b096
157c466a5ce
hex4aa89759c

20041004444 has 12 divisors (see below), whose sum is σ = 35082729864. Its totient is φ = 10017367344.

The previous prime is 20041004443. The next prime is 20041004447. The reversal of 20041004444 is 44440014002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041004441) 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 3 ways as a sum of consecutive naturals, for example, 769307 + ... + 794930.

It is an arithmetic number, because the mean of its divisors is an integer number (2923560822).

Almost surely, 220041004444 is an apocalyptic number.

It is an amenable number.

20041004444 is a deficient number, since it is larger than the sum of its proper divisors (15041725420).

20041004444 is a wasteful number, since it uses less digits than its factorization.

20041004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567444 (or 1567442 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20041004444 its reverse (44440014002), we get a palindrome (64481018446).

The spelling of 20041004444 in words is "twenty billion, forty-one million, four thousand, four hundred forty-four".

Divisors: 1 2 4 3203 6406 12812 1564237 3128474 6256948 5010251111 10020502222 20041004444