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2012332220 = 225100616611
BaseRepresentation
bin111011111110001…
…1100000010111100
312012020120001211222
41313330130002330
513110124112340
6531403132512
7100603353533
oct16774340274
95166501758
102012332220
119429aaa88
12481b14138
13260ba4632
1415138931a
15bb9eb8b5
hex77f1c0bc

2012332220 has 12 divisors (see below), whose sum is σ = 4225897704. Its totient is φ = 804932880.

The previous prime is 2012332219. The next prime is 2012332277. The reversal of 2012332220 is 222332102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50308286 + ... + 50308325.

It is an arithmetic number, because the mean of its divisors is an integer number (352158142).

Almost surely, 22012332220 is an apocalyptic number.

2012332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012332220 is an abundant number, since it is smaller than the sum of its proper divisors (2213565484).

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

2012332220 is a wasteful number, since it uses less digits than its factorization.

2012332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100616620 (or 100616618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2012332220 is about 44859.0260705691. The cubic root of 2012332220 is about 1262.5053493875.

Adding to 2012332220 its reverse (222332102), we get a palindrome (2234664322).

The spelling of 2012332220 in words is "two billion, twelve million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 100616611 201233222 402466444 503083055 1006166110 2012332220