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20544424041 = 310764001321
BaseRepresentation
bin10011001000100010…
…110000100001101001
31222000202221212122010
4103020202300201221
5314033333032131
613234334150133
71325052503001
oct231042604151
958022855563
1020544424041
118792878949
123b94352349
131c2541513b
14dcc723001
1580395bb46
hex4c88b0869

20544424041 has 8 divisors (see below), whose sum is σ = 27648571104. Its totient is φ = 13568279840.

The previous prime is 20544424013. The next prime is 20544424097. The reversal of 20544424041 is 14042444502.

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 20544424041 - 210 = 20544423017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20544424141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32000340 + ... + 32000981.

It is an arithmetic number, because the mean of its divisors is an integer number (3456071388).

Almost surely, 220544424041 is an apocalyptic number.

It is an amenable number.

20544424041 is a deficient number, since it is larger than the sum of its proper divisors (7104147063).

20544424041 is a wasteful number, since it uses less digits than its factorization.

20544424041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64001431.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 20544424041 its reverse (14042444502), we get a palindrome (34586868543).

The spelling of 20544424041 in words is "twenty billion, five hundred forty-four million, four hundred twenty-four thousand, forty-one".

Divisors: 1 3 107 321 64001321 192003963 6848141347 20544424041