4000204220 has 12 divisors (see below), whose sum is σ = 8400428904. Its totient is φ = 1600081680.

The previous prime is 4000204127. The next prime is 4000204253. The reversal of 4000204220 is 224020004.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4000204195 and 4000204204.

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 3 ways as a sum of consecutive naturals, for example, 100005086 + ... + 100005125.

It is an arithmetic number, because the mean of its divisors is an integer number (700035742).

Almost surely, 2^4000204220 is an apocalyptic number.

It is an amenable number.

4000204220 is an abundant number, since it is smaller than the sum of its proper divisors (4400224684).

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

4000204220 is a wasteful number, since it uses less digits than its factorization.

4000204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200010220 (or 200010218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4000204220 is about 63247.1676836204. The cubic root of 4000204220 is about 1587.4280664287.

Adding to 4000204220 its reverse (224020004), we get a palindrome (4224224224).

The spelling of 4000204220 in words is "four billion, two hundred four thousand, two hundred twenty".