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20122401200 = 2452114573273
BaseRepresentation
bin10010101111011000…
…110111100110110000
31220221100211220010112
4102233120313212300
5312202313314300
613124420520452
71311436405466
oct225730674660
956840756115
1020122401200
118596630940
123a96b50128
131b88b62795
14d8c668836
157cb897e35
hex4af6379b0

20122401200 has 60 divisors (see below), whose sum is σ = 52738995768. Its totient is φ = 7317235200.

The previous prime is 20122401149. The next prime is 20122401223. The reversal of 20122401200 is 210422102.

It is a super-2 number, since 2×201224012002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282237 + ... + 2291036.

Almost surely, 220122401200 is an apocalyptic number.

20122401200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122401200 is an abundant number, since it is smaller than the sum of its proper divisors (32616594568).

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

20122401200 is a wasteful number, since it uses less digits than its factorization.

20122401200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573302 (or 4573291 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122401200 its reverse (210422102), we get a palindrome (20332823302).

The spelling of 20122401200 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 4573273 9146546 18293092 22866365 36586184 45732730 50306003 73172368 91465460 100612006 114331825 182930920 201224012 228663650 251530015 365861840 402448024 457327300 503060030 804896048 914654600 1006120060 1257650075 1829309200 2012240120 2515300150 4024480240 5030600300 10061200600 20122401200