220030 has 8 divisors (see below), whose sum is σ = 396072. Its totient is φ = 88008.
The previous prime is 220021. The next prime is 220057. The reversal of 220030 is 30022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 219995 and 220022.
It is a congruent number.
It is an unprimeable number.
220030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10992 + ... + 11011.
It is an arithmetic number, because the mean of its divisors is an integer number (49509).
2220030 is an apocalyptic number.
220030 is a deficient number, since it is larger than the sum of its proper divisors (176042).
220030 is a wasteful number, since it uses less digits than its factorization.
220030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22010.
The product of its (nonzero) digits is 12, while the sum is 7.
The square root of 220030 is about 469.0735549996. The cubic root of 220030 is about 60.3708512481.
Adding to 220030 its reverse (30022), we get a palindrome (250052).
The spelling of 220030 in words is "two hundred twenty thousand, thirty".
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