220506608 has 40 divisors (see below), whose sum is σ = 493322592. Its totient is φ = 93523968.

The previous prime is 220506607. The next prime is 220506679. The reversal of 220506608 is 806605022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220506607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 716 + ... + 21012.

Almost surely, 2^220506608 is an apocalyptic number.

220506608 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 220506608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246661296).

220506608 is an abundant number, since it is smaller than the sum of its proper divisors (272815984).

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

220506608 is a wasteful number, since it uses less digits than its factorization.

220506608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409 (or 20403 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 220506608 is about 14849.4649061843. The cubic root of 220506608 is about 604.1440967254.

The spelling of 220506608 in words is "two hundred twenty million, five hundred six thousand, six hundred eight".