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220212000 = 2533532039
BaseRepresentation
bin11010010000000…
…10101100100000
3120100100221002000
431020002230200
5422333241000
633503524000
75312525331
oct1510025440
9510327060
10220212000
11103338598
12618b9600
1336813078
1421364288
15144ed000
hexd202b20

220212000 has 192 divisors, whose sum is σ = 801964800. Its totient is φ = 58694400.

The previous prime is 220211989. The next prime is 220212023. The reversal of 220212000 is 212022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106981 + ... + 109019.

It is an arithmetic number, because the mean of its divisors is an integer number (4176900).

Almost surely, 2220212000 is an apocalyptic number.

220212000 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 220212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400982400).

220212000 is an abundant number, since it is smaller than the sum of its proper divisors (581752800).

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

220212000 is a wasteful number, since it uses less digits than its factorization.

220212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220212000 is about 14839.5417719012. The cubic root of 220212000 is about 603.8749211052.

Adding to 220212000 its reverse (212022), we get a palindrome (220424022).

The spelling of 220212000 in words is "two hundred twenty million, two hundred twelve thousand".