3233431220 has 24 divisors (see below), whose sum is σ = 6793380384. Its totient is φ = 1292767776.

The previous prime is 3233431219. The next prime is 3233431247. The reversal of 3233431220 is 221343323.

3233431220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7367 + ... + 80753.

It is an arithmetic number, because the mean of its divisors is an integer number (283057516).

Almost surely, 2^3233431220 is an apocalyptic number.

It is an amenable number.

3233431220 is an abundant number, since it is smaller than the sum of its proper divisors (3559949164).

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

3233431220 is a wasteful number, since it uses less digits than its factorization.

3233431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75599 (or 75597 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3233431220 is about 56863.2677569624. The cubic root of 3233431220 is about 1478.7265677546.

Adding to 3233431220 its reverse (221343323), we get a palindrome (3454774543).

The spelling of 3233431220 in words is "three billion, two hundred thirty-three million, four hundred thirty-one thousand, two hundred twenty".