4065032220 has 24 divisors (see below), whose sum is σ = 11382090384. Its totient is φ = 1084008576.

The previous prime is 4065032203. The next prime is 4065032221. The reversal of 4065032220 is 222305604.

4065032220 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 not an unprimeable number, because it can be changed into a prime (4065032221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33875209 + ... + 33875328.

It is an arithmetic number, because the mean of its divisors is an integer number (474253766).

Almost surely, 2^4065032220 is an apocalyptic number.

It is an amenable number.

4065032220 is an abundant number, since it is smaller than the sum of its proper divisors (7317058164).

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

4065032220 is a wasteful number, since it uses less digits than its factorization.

4065032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67750549 (or 67750547 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4065032220 is about 63757.6051934199. The cubic root of 4065032220 is about 1595.9575321141.

Adding to 4065032220 its reverse (222305604), we get a palindrome (4287337824).

The spelling of 4065032220 in words is "four billion, sixty-five million, thirty-two thousand, two hundred twenty".