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20593804608 = 263313297727
BaseRepresentation
bin10011001011011111…
…001000010101000000
31222011012212200001000
4103023133020111000
5314134003221413
613243300412000
71326222310446
oct231337102500
958135780030
1020593804608
118808736233
123ba89a7000
131c32714600
14dd50d8b96
15807e63073
hex4cb7c8540

20593804608 has 336 divisors, whose sum is σ = 66324236160. Its totient is φ = 6262603776.

The previous prime is 20593804579. The next prime is 20593804613. The reversal of 20593804608 is 80640839502.

20593804608 is a `hidden beast` number, since 2 + 0 + 5 + 9 + 38 + 0 + 4 + 608 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28326741 + ... + 28327467.

It is an arithmetic number, because the mean of its divisors is an integer number (197393560).

Almost surely, 220593804608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20593804608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33162118080).

20593804608 is an abundant number, since it is smaller than the sum of its proper divisors (45730431552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20593804608 is a wasteful number, since it uses less digits than its factorization.

20593804608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 20593804608 in words is "twenty billion, five hundred ninety-three million, eight hundred four thousand, six hundred eight".