220286004 has 12 divisors (see below), whose sum is σ = 514000704. Its totient is φ = 73428664.

The previous prime is 220285993. The next prime is 220286009. The reversal of 220286004 is 400682022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220286009) 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, 9178572 + ... + 9178595.

It is an arithmetic number, because the mean of its divisors is an integer number (42833392).

Almost surely, 2^220286004 is an apocalyptic number.

It is an amenable number.

220286004 is an abundant number, since it is smaller than the sum of its proper divisors (293714700).

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

220286004 is a wasteful number, since it uses less digits than its factorization.

220286004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357174 (or 18357172 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220286004 is about 14842.0350356681. The cubic root of 220286004 is about 603.9425591911.

The spelling of 220286004 in words is "two hundred twenty million, two hundred eighty-six thousand, four".