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20330103200 = 25521121110949
BaseRepresentation
bin10010111011110001…
…001100000110100000
31221110211200020201012
4102323301030012200
5313114001300300
613201200400052
71316541011621
oct227361140640
957424606635
1020330103200
1186928a4490
123b34616028
131bbcbb5684
14dac093a48
157dec24435
hex4bbc4c1a0

20330103200 has 144 divisors (see below), whose sum is σ = 54404330400. Its totient is φ = 7357056000.

The previous prime is 20330103193. The next prime is 20330103217. The reversal of 20330103200 is 230103302.

It is a super-2 number, since 2×203301032002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1851326 + ... + 1862274.

It is an arithmetic number, because the mean of its divisors is an integer number (377807850).

Almost surely, 220330103200 is an apocalyptic number.

20330103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27202165200).

20330103200 is an abundant number, since it is smaller than the sum of its proper divisors (34074227200).

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

20330103200 is a wasteful number, since it uses less digits than its factorization.

20330103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191 (or 11178 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20330103200 its reverse (230103302), we get a palindrome (20560206502).

The spelling of 20330103200 in words is "twenty billion, three hundred thirty million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 211 220 275 352 400 422 440 550 800 844 880 1055 1100 1688 1760 2110 2200 2321 3376 4220 4400 4642 5275 6752 8440 8800 9284 10550 10949 11605 16880 18568 21100 21898 23210 33760 37136 42200 43796 46420 54745 58025 74272 84400 87592 92840 109490 116050 120439 168800 175184 185680 218980 232100 240878 273725 350368 371360 437960 464200 481756 547450 602195 875920 928400 963512 1094900 1204390 1751840 1856800 1927024 2189800 2310239 2408780 3010975 3854048 4379600 4620478 4817560 6021950 8759200 9240956 9635120 11551195 12043900 18481912 19270240 23102390 24087800 25412629 36963824 46204780 48175600 50825258 57755975 73927648 92409560 96351200 101650516 115511950 127063145 184819120 203301032 231023900 254126290 369638240 406602064 462047800 508252580 635315725 813204128 924095600 1016505160 1270631450 1848191200 2033010320 2541262900 4066020640 5082525800 10165051600 20330103200