5520541220 has 24 divisors (see below), whose sum is σ = 11596524408. Its totient is φ = 2207571200.

The previous prime is 5520541199. The next prime is 5520541237. The reversal of 5520541220 is 221450255.

It can be written as a sum of positive squares in 4 ways, for example, as 1611540736 + 3909000484 = 40144^2 + 62522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5520541220.

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, 33080 + ... + 110160.

It is an arithmetic number, because the mean of its divisors is an integer number (483188517).

Almost surely, 2^5520541220 is an apocalyptic number.

It is an amenable number.

5520541220 is an abundant number, since it is smaller than the sum of its proper divisors (6075983188).

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

5520541220 is a wasteful number, since it uses less digits than its factorization.

5520541220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80671 (or 80669 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5520541220 is about 74300.3446829152. The cubic root of 5520541220 is about 1767.3689425061.

Adding to 5520541220 its reverse (221450255), we get a palindrome (5741991475).

The spelling of 5520541220 in words is "five billion, five hundred twenty million, five hundred forty-one thousand, two hundred twenty".