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20229633970 = 2571322230367
BaseRepresentation
bin10010110101110001…
…111011011110110010
31221012211121212211121
4102311301323132302
5312412241241340
613143211132454
71314211023460
oct226561733662
957184555747
1020229633970
118641112467
123b06a4412a
131ba5139420
14d9c9bd830
157d5eca94a
hex4b5c7b7b2

20229633970 has 32 divisors (see below), whose sum is σ = 44816421888. Its totient is φ = 6402345408.

The previous prime is 20229633967. The next prime is 20229634021. The reversal of 20229633970 is 7933692202.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11114274 + ... + 11116093.

It is an arithmetic number, because the mean of its divisors is an integer number (1400513184).

Almost surely, 220229633970 is an apocalyptic number.

20229633970 is an abundant number, since it is smaller than the sum of its proper divisors (24586787918).

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

20229633970 is a wasteful number, since it uses less digits than its factorization.

20229633970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22230394.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 20229633970 in words is "twenty billion, two hundred twenty-nine million, six hundred thirty-three thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 22230367 44460734 111151835 155612569 222303670 288994771 311225138 577989542 778062845 1444973855 1556125690 2022963397 2889947710 4045926794 10114816985 20229633970