220432452 has 48 divisors (see below), whose sum is σ = 545442240. Its totient is φ = 69092352.

The previous prime is 220432439. The next prime is 220432481. The reversal of 220432452 is 254234022.

It is a happy 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, 27708 + ... + 34764.

It is an arithmetic number, because the mean of its divisors is an integer number (11363380).

Almost surely, 2^220432452 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 220432452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272721120).

220432452 is an abundant number, since it is smaller than the sum of its proper divisors (325009788).

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

220432452 is a wasteful number, since it uses less digits than its factorization.

220432452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 220432452 is about 14846.9677712319. The cubic root of 220432452 is about 604.0763649188.

Adding to 220432452 its reverse (254234022), we get a palindrome (474666474).

The spelling of 220432452 in words is "two hundred twenty million, four hundred thirty-two thousand, four hundred fifty-two".