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20094075480 = 233517192711913
BaseRepresentation
bin10010101101101100…
…110100001001011000
31220212101112210112210
4102231230310021120
5312123040403410
613121525435120
71310643552303
oct225554641130
956771483483
1020094075480
118581644356
123a8956baa0
131b830258bb
14d889b3b3a
157c9150220
hex4adb34258

20094075480 has 256 divisors, whose sum is σ = 67470796800. Its totient is φ = 4757667840.

The previous prime is 20094075439. The next prime is 20094075503. The reversal of 20094075480 is 8457049002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10503004 + ... + 10504916.

It is an arithmetic number, because the mean of its divisors is an integer number (263557800).

Almost surely, 220094075480 is an apocalyptic number.

20094075480 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 20094075480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33735398400).

20094075480 is an abundant number, since it is smaller than the sum of its proper divisors (47376721320).

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

20094075480 is a wasteful number, since it uses less digits than its factorization.

20094075480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20094075480 in words is "twenty billion, ninety-four million, seventy-five thousand, four hundred eighty".