Search a number
-
+
2010220220 = 225111789983
BaseRepresentation
bin111011111010001…
…1000011010111100
312012002120202201202
41313310120122330
513104104021340
6531245555032
7100546406231
oct16764303274
95162522652
102010220220
11941798228
12481275a78
13260615228
14150d99788
15bb730c15
hex77d186bc

2010220220 has 24 divisors (see below), whose sum is σ = 4225288704. Its totient is φ = 803359296.

The previous prime is 2010220133. The next prime is 2010220237. The reversal of 2010220220 is 220220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22652 + ... + 67331.

It is an arithmetic number, because the mean of its divisors is an integer number (176053696).

Almost surely, 22010220220 is an apocalyptic number.

2010220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010220220 is an abundant number, since it is smaller than the sum of its proper divisors (2215068484).

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

2010220220 is a wasteful number, since it uses less digits than its factorization.

2010220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91109 (or 91107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2010220220 is about 44835.4794777529. The cubic root of 2010220220 is about 1262.0635163342.

Adding to 2010220220 its reverse (220220102), we get a palindrome (2230440322).

The spelling of 2010220220 in words is "two billion, ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1117 2234 4468 5585 11170 22340 89983 179966 359932 449915 899830 1799660 100511011 201022022 402044044 502555055 1005110110 2010220220