560221620 has 96 divisors (see below), whose sum is σ = 1795987200. Its totient is φ = 127816704.

The previous prime is 560221609. The next prime is 560221643. The reversal of 560221620 is 26122065.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347376 + ... + 348984.

It is an arithmetic number, because the mean of its divisors is an integer number (18708200).

Almost surely, 2^560221620 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 560221620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897993600).

560221620 is an abundant number, since it is smaller than the sum of its proper divisors (1235765580).

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

560221620 is a wasteful number, since it uses less digits than its factorization.

560221620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 560221620 is about 23669.0012463560. The cubic root of 560221620 is about 824.3657788650.

Adding to 560221620 its reverse (26122065), we get a palindrome (586343685).

The spelling of 560221620 in words is "five hundred sixty million, two hundred twenty-one thousand, six hundred twenty".