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20010003200 = 285211284233
BaseRepresentation
bin10010101000101100…
…000110101100000000
31220122112100111001122
4102220230012230000
5311440030100300
613105323451412
71305603135515
oct225054065400
956575314048
1020010003200
118539141630
123a65386b68
131b6b79aaa5
14d7b76b30c
157c1a94c85
hex4a8b06b00

20010003200 has 108 divisors (see below), whose sum is σ = 54030609528. Its totient is φ = 7276339200.

The previous prime is 20010003193. The next prime is 20010003217. The reversal of 20010003200 is 230001002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71717 + ... + 212516.

Almost surely, 220010003200 is an apocalyptic number.

20010003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010003200 is an abundant number, since it is smaller than the sum of its proper divisors (34020606328).

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

20010003200 is a wasteful number, since it uses less digits than its factorization.

20010003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284270 (or 284251 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20010003200 its reverse (230001002), we get a palindrome (20240004202).

The spelling of 20010003200 in words is "twenty billion, ten million, three thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 256 275 320 352 400 440 550 640 704 800 880 1100 1280 1408 1600 1760 2200 2816 3200 3520 4400 6400 7040 8800 14080 17600 35200 70400 284233 568466 1136932 1421165 2273864 2842330 3126563 4547728 5684660 6253126 7105825 9095456 11369320 12506252 14211650 15632815 18190912 22738640 25012504 28423300 31265630 36381824 45477280 50025008 56846600 62531260 72763648 78164075 90954560 100050016 113693200 125062520 156328150 181909120 200100032 227386400 250125040 312656300 363818240 400200064 454772800 500250080 625312600 800400128 909545600 1000500160 1250625200 1819091200 2001000320 2501250400 4002000640 5002500800 10005001600 20010003200