220597567064 has 64 divisors (see below), whose sum is σ = 494174960640. Its totient is φ = 90263859840.

The previous prime is 220597567051. The next prime is 220597567171. The reversal of 220597567064 is 460765795022.

It is a junction number, because it is equal to n+sod(n) for n = 220597566997 and 220597567015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538517 + ... + 855099.

It is an arithmetic number, because the mean of its divisors is an integer number (7721483760).

Almost surely, 2^220597567064 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 220597567064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247087480320).

220597567064 is an abundant number, since it is smaller than the sum of its proper divisors (273577393576).

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

220597567064 is a wasteful number, since it uses less digits than its factorization.

220597567064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317160 (or 317156 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 220597567064 in words is "two hundred twenty billion, five hundred ninety-seven million, five hundred sixty-seven thousand, sixty-four".