220004532 has 48 divisors (see below), whose sum is σ = 622238400. Its totient is φ = 66667680.

The previous prime is 220004507. The next prime is 220004539. The reversal of 220004532 is 235400022.

220004532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220004539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91407 + ... + 93782.

It is an arithmetic number, because the mean of its divisors is an integer number (12963300).

Almost surely, 2^220004532 is an apocalyptic number.

220004532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220004532 is an abundant number, since it is smaller than the sum of its proper divisors (402233868).

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

220004532 is a wasteful number, since it uses less digits than its factorization.

220004532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185213 (or 185205 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220004532 is about 14832.5497470934. The cubic root of 220004532 is about 603.6852189280.

Adding to 220004532 its reverse (235400022), we get a palindrome (455404554).

The spelling of 220004532 in words is "two hundred twenty million, four thousand, five hundred thirty-two".