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20020244444 = 22191523317293
BaseRepresentation
bin10010101001010011…
…001010111111011100
31220200020121210101222
4102221103022333130
5312000140310234
613110331152512
71306056161414
oct225123127734
956606553358
1020020244444
1185439a6a72
123a688a5738
131b709453b5
14d7cc75644
157c291942e
hex4a94cafdc

20020244444 has 24 divisors (see below), whose sum is σ = 36883951440. Its totient is φ = 9482102784.

The previous prime is 20020244441. The next prime is 20020244471. The reversal of 20020244444 is 44444202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020244441) 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 7 ways as a sum of consecutive naturals, for example, 1149062 + ... + 1166354.

It is an arithmetic number, because the mean of its divisors is an integer number (1536831310).

Almost surely, 220020244444 is an apocalyptic number.

It is an amenable number.

20020244444 is a deficient number, since it is larger than the sum of its proper divisors (16863706996).

20020244444 is a wasteful number, since it uses less digits than its factorization.

20020244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32549 (or 32547 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20020244444 its reverse (44444202002), we get a palindrome (64464446446).

The spelling of 20020244444 in words is "twenty billion, twenty million, two hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 15233 17293 30466 34586 60932 69172 289427 328567 578854 657134 1157708 1314268 263424269 526848538 1053697076 5005061111 10010122222 20020244444