4133531220 has 432 divisors, whose sum is σ = 15090243840. Its totient is φ = 837817344.

The previous prime is 4133531201. The next prime is 4133531243. The reversal of 4133531220 is 221353314.

4133531220 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 143 ways as a sum of consecutive naturals, for example, 52323141 + ... + 52323219.

It is an arithmetic number, because the mean of its divisors is an integer number (34931120).

Almost surely, 2^4133531220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4133531220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7545121920).

4133531220 is an abundant number, since it is smaller than the sum of its proper divisors (10956712620).

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

4133531220 is a wasteful number, since it uses less digits than its factorization.

4133531220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 4133531220 is about 64292.5440467244. The cubic root of 4133531220 is about 1604.8720271409.

Adding to 4133531220 its reverse (221353314), we get a palindrome (4354884534).

The spelling of 4133531220 in words is "four billion, one hundred thirty-three million, five hundred thirty-one thousand, two hundred twenty".