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20036686700 = 22521148317449
BaseRepresentation
bin10010101010010001…
…111001001101101100
31220201101120010221102
4102222101321031230
5312013342433300
613112115422232
71306346012132
oct225221711554
956641503842
1020036686700
118552207308
123a722b4978
131b74181344
14d81115752
157c40b60d5
hex4aa47936c

20036686700 has 36 divisors (see below), whose sum is σ = 43485888600. Its totient is φ = 8013517440.

The previous prime is 20036686667. The next prime is 20036686751. The reversal of 20036686700 is 768663002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139576 + ... + 1157024.

It is an arithmetic number, because the mean of its divisors is an integer number (1207941350).

Almost surely, 220036686700 is an apocalyptic number.

20036686700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20036686700 is an abundant number, since it is smaller than the sum of its proper divisors (23449201900).

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

20036686700 is a wasteful number, since it uses less digits than its factorization.

20036686700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28946 (or 28939 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 20036686700 in words is "twenty billion, thirty-six million, six hundred eighty-six thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 11483 17449 22966 34898 45932 57415 69796 87245 114830 174490 229660 287075 348980 436225 574150 872450 1148300 1744900 200366867 400733734 801467468 1001834335 2003668670 4007337340 5009171675 10018343350 20036686700