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200120220220 = 225172325590821
BaseRepresentation
bin1011101001100000011…
…0000011101000111100
3201010112201111111122011
42322120012003220330
511234321234021340
6231533422501004
720313110543164
oct2723006035074
9633481444564
10200120220220
1177963713458
123294ba34764
1315b431c23bb
1499860575a4
155313cc00ea
hex2e98183a3c

200120220220 has 48 divisors (see below), whose sum is σ = 464319874368. Its totient is φ = 72063749120.

The previous prime is 200120220217. The next prime is 200120220227. The reversal of 200120220220 is 22022021002.

It is a self number, because there is not a number n which added to its sum of digits gives 200120220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12787591 + ... + 12803230.

It is an arithmetic number, because the mean of its divisors is an integer number (9673330716).

Almost surely, 2200120220220 is an apocalyptic number.

200120220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120220220 is an abundant number, since it is smaller than the sum of its proper divisors (264199654148).

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

200120220220 is a wasteful number, since it uses less digits than its factorization.

200120220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25590870 (or 25590868 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 200120220220 its reverse (22022021002), we get a palindrome (222142241222).

The spelling of 200120220220 in words is "two hundred billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 170 230 340 391 460 782 1564 1955 3910 7820 25590821 51181642 102363284 127954105 255908210 435043957 511816420 588588883 870087914 1177177766 1740175828 2175219785 2354355532 2942944415 4350439570 5885888830 8700879140 10006011011 11771777660 20012022022 40024044044 50030055055 100060110110 200120220220