3220203220 has 48 divisors (see below), whose sum is σ = 7665920640. Its totient is φ = 1126417536.

The previous prime is 3220203211. The next prime is 3220203253. The reversal of 3220203220 is 223020223.

It is a junction number, because it is equal to n+sod(n) for n = 3220203194 and 3220203203.

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 15 ways as a sum of consecutive naturals, for example, 320992 + ... + 330871.

It is an arithmetic number, because the mean of its divisors is an integer number (159706680).

Almost surely, 2^3220203220 is an apocalyptic number.

It is an amenable number.

3220203220 is an abundant number, since it is smaller than the sum of its proper divisors (4445717420).

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

3220203220 is a wasteful number, since it uses less digits than its factorization.

3220203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651904 (or 651902 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3220203220 is about 56746.8344491567. The cubic root of 3220203220 is about 1476.7073165120.

Adding to 3220203220 its reverse (223020223), we get a palindrome (3443223443).

The spelling of 3220203220 in words is "three billion, two hundred twenty million, two hundred three thousand, two hundred twenty".