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20211230222200 = 2352281359630431
BaseRepresentation
bin1001001100001110010110…
…01100101010011101111000
32122120011201101101120212201
410212013023030222131320
510122120044414102300
6110552524434515544
74154133061211323
oct446071314523570
978504641346781
1020211230222200
116492597611406
1223250a4135bb4
13b37bac1369b4
144dc32ba1b7ba
15250b191c366a
hex1261cb32a778

20211230222200 has 48 divisors (see below), whose sum is σ = 47158338548160. Its totient is φ = 8055721632000.

The previous prime is 20211230222179. The next prime is 20211230222213. The reversal of 20211230222200 is 222203211202.

It is a super-2 number, since 2×202112302222002 (a number of 27 digits) contains 22 as substring.

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, 179759016 + ... + 179871415.

It is an arithmetic number, because the mean of its divisors is an integer number (982465386420).

Almost surely, 220211230222200 is an apocalyptic number.

20211230222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211230222200 is an abundant number, since it is smaller than the sum of its proper divisors (26947108325960).

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

20211230222200 is a wasteful number, since it uses less digits than its factorization.

20211230222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359630728 (or 359630719 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20211230222200 its reverse (222203211202), we get a palindrome (20433433433402).

The spelling of 20211230222200 in words is "twenty trillion, two hundred eleven billion, two hundred thirty million, two hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 281 562 1124 1405 2248 2810 5620 7025 11240 14050 28100 56200 359630431 719260862 1438521724 1798152155 2877043448 3596304310 7192608620 8990760775 14385217240 17981521550 35963043100 71926086200 101056151111 202112302222 404224604444 505280755555 808449208888 1010561511110 2021123022220 2526403777775 4042246044440 5052807555550 10105615111100 20211230222200