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20076808230 = 23558262061
BaseRepresentation
bin10010101100101010…
…111100100000100110
31220211012001112100000
4102230222330200212
5312104130330410
613120111402130
71310344024413
oct225452744046
956735045300
1020076808230
1185729201a6
123a83823346
131b7c58b2ab
14d8659b10a
157c788ddc0
hex4acabc826

20076808230 has 48 divisors (see below), whose sum is σ = 54133030224. Its totient is φ = 5353814880.

The previous prime is 20076808229. The next prime is 20076808249. The reversal of 20076808230 is 3280867002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4128601 + ... + 4133460.

It is an arithmetic number, because the mean of its divisors is an integer number (1127771463).

Almost surely, 220076808230 is an apocalyptic number.

20076808230 is an abundant number, since it is smaller than the sum of its proper divisors (34056221994).

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

20076808230 is an equidigital number, since it uses as much as digits as its factorization.

20076808230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262083 (or 8262071 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20076808230 in words is "twenty billion, seventy-six million, eight hundred eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 8262061 16524122 24786183 41310305 49572366 74358549 82620610 123930915 148717098 223075647 247861830 371792745 446151294 669226941 743585490 1115378235 1338453882 2007680823 2230756470 3346134705 4015361646 6692269410 10038404115 20076808230