220659552 has 108 divisors (see below), whose sum is σ = 652222116. Its totient is φ = 73483200.

The previous prime is 220659533. The next prime is 220659553. The reversal of 220659552 is 255956022.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220659553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 209427 + ... + 210477.

Almost surely, 2^220659552 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 220659552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326111058).

220659552 is an abundant number, since it is smaller than the sum of its proper divisors (431562564).

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

220659552 is an frugal number, since it uses more digits than its factorization.

220659552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 220659552 is about 14854.6138287066. The cubic root of 220659552 is about 604.2837431223.

The spelling of 220659552 in words is "two hundred twenty million, six hundred fifty-nine thousand, five hundred fifty-two".