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20204403105 = 351346960207
BaseRepresentation
bin10010110100010001…
…101011100110100001
31221011002011000121010
4102310101223212201
5312334311344410
613140510251133
71313453410215
oct226421534641
957132130533
1020204403105
11862894a107
123aba4b6aa9
131b9cb44113
14d994d2945
157d3b94c20
hex4b446b9a1

20204403105 has 8 divisors (see below), whose sum is σ = 32327044992. Its totient is φ = 10775681648.

The previous prime is 20204403071. The next prime is 20204403119. The reversal of 20204403105 is 50130440202.

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 20204403105 - 28 = 20204402849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673480089 + ... + 673480118.

It is an arithmetic number, because the mean of its divisors is an integer number (4040880624).

Almost surely, 220204403105 is an apocalyptic number.

It is an amenable number.

20204403105 is a deficient number, since it is larger than the sum of its proper divisors (12122641887).

20204403105 is a wasteful number, since it uses less digits than its factorization.

20204403105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346960215.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20204403105 its reverse (50130440202), we get a palindrome (70334843307).

The spelling of 20204403105 in words is "twenty billion, two hundred four million, four hundred three thousand, one hundred five".

Divisors: 1 3 5 15 1346960207 4040880621 6734801035 20204403105