220024 has 16 divisors (see below), whose sum is σ = 471600. Its totient is φ = 94272.

The previous prime is 220021. The next prime is 220057. The reversal of 220024 is 420022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (29475).

2²²⁰⁰²⁴ is an apocalyptic number.

It is an amenable number.

220024 is an abundant number, since it is smaller than the sum of its proper divisors (251576).

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

220024 is a wasteful number, since it uses less digits than its factorization.

220024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 220024 is about 469.0671593706. The cubic root of 220024 is about 60.3703024921.

Adding to 220024 its reverse (420022), we get a palindrome (640046).

The spelling of 220024 in words is "two hundred twenty thousand, twenty-four", and thus it is an iban number.