4544520220 has 24 divisors (see below), whose sum is σ = 9685935504. Its totient is φ = 1790676096.

The previous prime is 4544520203. The next prime is 4544520229. The reversal of 4544520220 is 220254454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544520229) 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 7 ways as a sum of consecutive naturals, for example, 1694377 + ... + 1697056.

It is an arithmetic number, because the mean of its divisors is an integer number (403580646).

Almost surely, 2^4544520220 is an apocalyptic number.

It is an amenable number.

4544520220 is an abundant number, since it is smaller than the sum of its proper divisors (5141415284).

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

4544520220 is a wasteful number, since it uses less digits than its factorization.

4544520220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391509 (or 3391507 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4544520220 is about 67413.0567471910. The cubic root of 4544520220 is about 1656.3903055793.

Adding to 4544520220 its reverse (220254454), we get a palindrome (4764774674).

The spelling of 4544520220 in words is "four billion, five hundred forty-four million, five hundred twenty thousand, two hundred twenty".