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20020303200 = 2535213760889
BaseRepresentation
bin10010101001010011…
…011001010101100000
31220200020201210000010
4102221103121111200
5312000144200300
613110332324520
71306056524622
oct225123312540
956606653003
1020020303200
118543a37127
123a68913740
131b70966071
14d7cc8cc12
157c292ba50
hex4a94d9560

20020303200 has 144 divisors (see below), whose sum is σ = 65642829840. Its totient is φ = 5299691520.

The previous prime is 20020303189. The next prime is 20020303229. The reversal of 20020303200 is 230302002.

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 23 ways as a sum of consecutive naturals, for example, 298356 + ... + 359244.

It is an arithmetic number, because the mean of its divisors is an integer number (455852985).

Almost surely, 220020303200 is an apocalyptic number.

20020303200 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 20020303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32821414920).

20020303200 is an abundant number, since it is smaller than the sum of its proper divisors (45622526640).

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

20020303200 is a wasteful number, since it uses less digits than its factorization.

20020303200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61049 (or 61036 counting only the distinct ones).

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

Adding to 20020303200 its reverse (230302002), we get a palindrome (20250605202).

The spelling of 20020303200 in words is "twenty billion, twenty million, three hundred 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 75 80 96 100 120 137 150 160 200 240 274 300 400 411 480 548 600 685 800 822 1096 1200 1370 1644 2055 2192 2400 2740 3288 3425 4110 4384 5480 6576 6850 8220 10275 10960 13152 13700 16440 20550 21920 27400 32880 41100 54800 60889 65760 82200 109600 121778 164400 182667 243556 304445 328800 365334 487112 608890 730668 913335 974224 1217780 1461336 1522225 1826670 1948448 2435560 2922672 3044450 3653340 4566675 4871120 5845344 6088900 7306680 8341793 9133350 9742240 12177800 14613360 16683586 18266700 24355600 25025379 29226720 33367172 36533400 41708965 48711200 50050758 66734344 73066800 83417930 100101516 125126895 133468688 146133600 166835860 200203032 208544825 250253790 266937376 333671720 400406064 417089650 500507580 625634475 667343440 800812128 834179300 1001015160 1251268950 1334686880 1668358600 2002030320 2502537900 3336717200 4004060640 5005075800 6673434400 10010151600 20020303200