556105020 has 96 divisors (see below), whose sum is σ = 1653680448. Its totient is φ = 139149312.

The previous prime is 556104959. The next prime is 556105027. The reversal of 556105020 is 20501655.

556105020 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 (556105027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465544 + ... + 466736.

It is an arithmetic number, because the mean of its divisors is an integer number (17225838).

Almost surely, 2^556105020 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 556105020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826840224).

556105020 is an abundant number, since it is smaller than the sum of its proper divisors (1097575428).

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

556105020 is a wasteful number, since it uses less digits than its factorization.

556105020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 556105020 is about 23581.8790599901. The cubic root of 556105020 is about 822.3416213128.

Adding to 556105020 its reverse (20501655), we get a palindrome (576606675).

The spelling of 556105020 in words is "five hundred fifty-six million, one hundred five thousand, twenty".