4220105204 has 18 divisors (see below), whose sum is σ = 8590928850. Its totient is φ = 1808616432.

The previous prime is 4220105179. The next prime is 4220105243. The reversal of 4220105204 is 4025010224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4201632400 + 18472804 = 64820^2 + 4298^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10765379 + ... + 10765770.

It is an arithmetic number, because the mean of its divisors is an integer number (477273825).

Almost surely, 2^4220105204 is an apocalyptic number.

It is an amenable number.

4220105204 is an abundant number, since it is smaller than the sum of its proper divisors (4370823646).

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

4220105204 is a wasteful number, since it uses less digits than its factorization.

4220105204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21531167 (or 21531158 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4220105204 is about 64962.3368114171. The cubic root of 4220105204 is about 1615.9990181716. Note that the first 3 decimals are identical.

Adding to 4220105204 its reverse (4025010224), we get a palindrome (8245115428).

The spelling of 4220105204 in words is "four billion, two hundred twenty million, one hundred five thousand, two hundred four".