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20548325376 = 212332943149
BaseRepresentation
bin10011001000110001…
…101001000000000000
31222001001022002021000
4103020301221000000
5314040332403001
613234553532000
71325130612105
oct231061510000
958031262230
1020548325376
118794aa2a97
123b95714000
131c2617cb17
14dcd05aaac
15803e7ca86
hex4c8c69000

20548325376 has 416 divisors, whose sum is σ = 64872720000. Its totient is φ = 6416105472.

The previous prime is 20548325363. The next prime is 20548325387. The reversal of 20548325376 is 67352384502.

20548325376 is a `hidden beast` number, since 2 + 0 + 548 + 32 + 5 + 3 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137908150 + ... + 137908298.

Almost surely, 220548325376 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 20548325376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32436360000).

20548325376 is an abundant number, since it is smaller than the sum of its proper divisors (44324394624).

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

20548325376 is a wasteful number, since it uses less digits than its factorization.

20548325376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 20548325376 in words is "twenty billion, five hundred forty-eight million, three hundred twenty-five thousand, three hundred seventy-six".