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20424550441 = 194740157037
BaseRepresentation
bin10011000001011001…
…011110100000101001
31221201102101122222011
4103001121132200221
5313312141103231
613214412555521
71322065546201
oct230131364051
957642348864
1020424550441
118731143059
123b60182ba1
131c06633909
14dba83b401
157e817d9b1
hex4c165e829

20424550441 has 16 divisors (see below), whose sum is σ = 22012104960. Its totient is φ = 18890323200.

The previous prime is 20424550417. The next prime is 20424550451. The reversal of 20424550441 is 14405542402.

It is a cyclic number.

It is not a de Polignac number, because 20424550441 - 25 = 20424550409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20424550451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329575 + ... + 386611.

It is an arithmetic number, because the mean of its divisors is an integer number (1375756560).

Almost surely, 220424550441 is an apocalyptic number.

It is an amenable number.

20424550441 is a deficient number, since it is larger than the sum of its proper divisors (1587554519).

20424550441 is a wasteful number, since it uses less digits than its factorization.

20424550441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57504.

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 20424550441 in words is "twenty billion, four hundred twenty-four million, five hundred fifty thousand, four hundred forty-one".

Divisors: 1 19 47 401 893 7619 18847 57037 358093 1083703 2680739 22871837 50934041 434564903 1074976339 20424550441