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20017036700 = 2252543136857
BaseRepresentation
bin10010101001000110…
…111011110110011100
31220200000120211012122
4102221012323312130
5311443330133300
613110134322112
71306020001403
oct225106736634
956600524178
1020017036700
118542105a41
123a677b9338
131b7009131b
14d7c67c63a
157c24d3c85
hex4a91bbd9c

20017036700 has 36 divisors (see below), whose sum is σ = 43446146352. Its totient is φ = 8005123200.

The previous prime is 20017036681. The next prime is 20017036747. The reversal of 20017036700 is 763071002.

It is a self number, because there is not a number n which added to its sum of digits gives 20017036700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524672 + ... + 561528.

Almost surely, 220017036700 is an apocalyptic number.

20017036700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20017036700 is an abundant number, since it is smaller than the sum of its proper divisors (23429109652).

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

20017036700 is a wasteful number, since it uses less digits than its factorization.

20017036700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42302 (or 42295 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The spelling of 20017036700 in words is "twenty billion, seventeen million, thirty-six thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 5431 10862 21724 27155 36857 54310 73714 108620 135775 147428 184285 271550 368570 543100 737140 921425 1842850 3685700 200170367 400340734 800681468 1000851835 2001703670 4003407340 5004259175 10008518350 20017036700