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200220 = 22354771
BaseRepresentation
bin110000111000011100
3101011122120
4300320130
522401340
64142540
71462506
oct607034
9334576
10200220
11127479
1297a50
1370197
1452d76
153e4d0
hex30e1c

200220 has 48 divisors (see below), whose sum is σ = 580608. Its totient is φ = 51520.

The previous prime is 200201. The next prime is 200227. The reversal of 200220 is 22002.

Adding to 200220 its reverse (22002), we get a palindrome (222222).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

200220 is a modest number, since divided by 220 gives 20 as remainder.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 200199 and 200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200227) by changing a digit.

200220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2200220 is an apocalyptic number.

200220 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 200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304).

200220 is an abundant number, since it is smaller than the sum of its proper divisors (380388).

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

200220 is a wasteful number, since it uses less digits than its factorization.

200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

The square root of 200220 is about 447.4594953736. The cubic root of 200220 is about 58.5017897034.

The spelling of 200220 in words is "two hundred thousand, two hundred twenty", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 71 94 141 142 188 213 235 282 284 355 426 470 564 705 710 852 940 1065 1410 1420 2130 2820 3337 4260 6674 10011 13348 16685 20022 33370 40044 50055 66740 100110 200220