3220232020 has 24 divisors (see below), whose sum is σ = 6797534184. Its totient is φ = 1281417216.

The previous prime is 3220232011. The next prime is 3220232033. The reversal of 3220232020 is 202320223.

It can be written as a sum of positive squares in 4 ways, for example, as 29789764 + 3190442256 = 5458^2 + 56484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3220231985 and 3220232003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413269 + ... + 420988.

It is an arithmetic number, because the mean of its divisors is an integer number (283230591).

Almost surely, 2^3220232020 is an apocalyptic number.

It is an amenable number.

3220232020 is an abundant number, since it is smaller than the sum of its proper divisors (3577302164).

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

3220232020 is a wasteful number, since it uses less digits than its factorization.

3220232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834459 (or 834457 counting only the distinct ones).

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

The square root of 3220232020 is about 56747.0882072376. The cubic root of 3220232020 is about 1476.7117188267.

Adding to 3220232020 its reverse (202320223), we get a palindrome (3422552243).

The spelling of 3220232020 in words is "three billion, two hundred twenty million, two hundred thirty-two thousand, twenty".