4125532220 has 48 divisors (see below), whose sum is σ = 8873141088. Its totient is φ = 1610772480.

The previous prime is 4125532193. The next prime is 4125532223. The reversal of 4125532220 is 222355214.

It is a self number, because there is not a number n which added to its sum of digits gives 4125532220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125532223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127055 + ... + 156185.

It is an arithmetic number, because the mean of its divisors is an integer number (184857106).

Almost surely, 2^4125532220 is an apocalyptic number.

It is an amenable number.

4125532220 is an abundant number, since it is smaller than the sum of its proper divisors (4747608868).

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

4125532220 is a wasteful number, since it uses less digits than its factorization.

4125532220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29310 (or 29308 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4125532220 is about 64230.3060867687. The cubic root of 4125532220 is about 1603.8361363315.

Adding to 4125532220 its reverse (222355214), we get a palindrome (4347887434).

The spelling of 4125532220 in words is "four billion, one hundred twenty-five million, five hundred thirty-two thousand, two hundred twenty".