220439507568 has 320 divisors, whose sum is σ = 705354473472. Its totient is φ = 57959193600.

The previous prime is 220439507557. The next prime is 220439507597. The reversal of 220439507568 is 865705934022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220439507568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22259418 + ... + 22269318.

Almost surely, 2^220439507568 is an apocalyptic number.

220439507568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220439507568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352677236736).

220439507568 is an abundant number, since it is smaller than the sum of its proper divisors (484914965904).

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

220439507568 is a wasteful number, since it uses less digits than its factorization.

220439507568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10046 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 220439507568 in words is "two hundred twenty billion, four hundred thirty-nine million, five hundred seven thousand, five hundred sixty-eight".