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20302003200 = 210352264349
BaseRepresentation
bin10010111010000101…
…111111110000000000
31221101212210121202110
4102322011333300000
5313034303100300
613154314215320
71316050115463
oct227205776000
957355717673
1020302003200
118678a51546
123b27124540
131bb712745b
14da845b2da
157dc523550
hex4ba17fc00

20302003200 has 132 divisors (see below), whose sum is σ = 67099431800. Its totient is φ = 5413847040.

The previous prime is 20302003153. The next prime is 20302003229. The reversal of 20302003200 is 230020302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 55375 + ... + 208974.

Almost surely, 220302003200 is an apocalyptic number.

20302003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302003200 is an abundant number, since it is smaller than the sum of its proper divisors (46797428600).

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

20302003200 is a wasteful number, since it uses less digits than its factorization.

20302003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264382 (or 264359 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20302003200 its reverse (230020302), we get a palindrome (20532023502).

The spelling of 20302003200 in words is "twenty billion, three hundred two million, three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1024 1200 1280 1536 1600 1920 2400 2560 3072 3200 3840 4800 5120 6400 7680 9600 12800 15360 19200 25600 38400 76800 264349 528698 793047 1057396 1321745 1586094 2114792 2643490 3172188 3965235 4229584 5286980 6344376 6608725 7930470 8459168 10573960 12688752 13217450 15860940 16918336 19826175 21147920 25377504 26434900 31721880 33836672 39652350 42295840 50755008 52869800 63443760 67673344 79304700 84591680 101510016 105739600 126887520 135346688 158609400 169183360 203020032 211479200 253775040 270693376 317218800 338366720 406040064 422958400 507550080 634437600 676733440 812080128 845916800 1015100160 1268875200 1353466880 1691833600 2030200320 2537750400 3383667200 4060400640 5075500800 6767334400 10151001600 20302003200