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20132205064 = 237135444023
BaseRepresentation
bin10010101111111110…
…010001001000001000
31220222001021222111121
4102233332101020020
5312212321030224
613125411005024
71311615630256
oct225776211010
956861258447
1020132205064
1185a1117704
123a9a299774
131b8abb5c9a
14d8da9b5d6
157cc682be4
hex4aff91208

20132205064 has 16 divisors (see below), whose sum is σ = 38279545920. Its totient is φ = 9924326160.

The previous prime is 20132205047. The next prime is 20132205127. The reversal of 20132205064 is 46050223102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17721444 + ... + 17722579.

It is an arithmetic number, because the mean of its divisors is an integer number (2392471620).

Almost surely, 220132205064 is an apocalyptic number.

It is an amenable number.

20132205064 is a deficient number, since it is larger than the sum of its proper divisors (18147340856).

20132205064 is a wasteful number, since it uses less digits than its factorization.

20132205064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35444100 (or 35444096 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20132205064 its reverse (46050223102), we get a palindrome (66182428166).

The spelling of 20132205064 in words is "twenty billion, one hundred thirty-two million, two hundred five thousand, sixty-four".

Divisors: 1 2 4 8 71 142 284 568 35444023 70888046 141776092 283552184 2516525633 5033051266 10066102532 20132205064