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20014185600 = 2732524391583
BaseRepresentation
bin10010101000111100…
…000011110010000000
31220122211012222020100
4102220330003302000
5311442112414400
613105553242400
71305653525223
oct225074036200
956584188210
1020014185600
118540538962
123a66863400
131b6c603696
14d7c1395ba
157c211e100
hex4a8f03c80

20014185600 has 288 divisors, whose sum is σ = 71623094400. Its totient is φ = 5321594880.

The previous prime is 20014185571. The next prime is 20014185601. The reversal of 20014185600 is 658141002.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (20014185601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12642409 + ... + 12643991.

It is an arithmetic number, because the mean of its divisors is an integer number (248691300).

Almost surely, 220014185600 is an apocalyptic number.

20014185600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014185600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35811547200).

20014185600 is an abundant number, since it is smaller than the sum of its proper divisors (51608908800).

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

20014185600 is a wasteful number, since it uses less digits than its factorization.

20014185600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 20014185600 in words is "twenty billion, fourteen million, one hundred eighty-five thousand, six hundred".