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200206220 = 22510010311
BaseRepresentation
bin10111110111011…
…10011110001100
3111221201112022012
423323232132030
5402223044340
631511040352
74650503414
oct1373563614
9457645265
10200206220
11a3013995
12570700b8
133262a126
141c837644
151289a565
hexbeee78c

200206220 has 12 divisors (see below), whose sum is σ = 420433104. Its totient is φ = 80082480.

The previous prime is 200206213. The next prime is 200206273. The reversal of 200206220 is 22602002.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 200206195 and 200206204.

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, 5005136 + ... + 5005175.

It is an arithmetic number, because the mean of its divisors is an integer number (35036092).

Almost surely, 2200206220 is an apocalyptic number.

200206220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200206220 is an abundant number, since it is smaller than the sum of its proper divisors (220226884).

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

200206220 is a wasteful number, since it uses less digits than its factorization.

200206220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010320 (or 10010318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 200206220 is about 14149.4247232882. The cubic root of 200206220 is about 585.0044755788.

Adding to 200206220 its reverse (22602002), we get a palindrome (222808222).

The spelling of 200206220 in words is "two hundred million, two hundred six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10010311 20020622 40041244 50051555 100103110 200206220