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20110202200 = 235211311491979
BaseRepresentation
bin10010101110101010…
…010101010101011000
31220220111220010020201
4102232222111111120
5312141202432300
613123303231544
71311230620054
oct225652252530
956814803221
1020110202200
11858a759620
123a92a485b4
131b8648103a
14d8abb0c64
157ca78866a
hex4aea95558

20110202200 has 192 divisors, whose sum is σ = 53032320000. Its totient is φ = 7025856000.

The previous prime is 20110202113. The next prime is 20110202201. The reversal of 20110202200 is 220201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110202201) 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 47 ways as a sum of consecutive naturals, for example, 10160811 + ... + 10162789.

It is an arithmetic number, because the mean of its divisors is an integer number (276210000).

Almost surely, 220110202200 is an apocalyptic number.

20110202200 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 20110202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516160000).

20110202200 is an abundant number, since it is smaller than the sum of its proper divisors (32922117800).

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

20110202200 is a wasteful number, since it uses less digits than its factorization.

20110202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110202200 its reverse (220201102), we get a palindrome (20330403302).

The spelling of 20110202200 in words is "twenty billion, one hundred ten million, two hundred two thousand, two hundred".