220432045 has 8 divisors (see below), whose sum is σ = 273639960. Its totient is φ = 170264640.

The previous prime is 220432039. The next prime is 220432087. The reversal of 220432045 is 540234022.

220432045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34327881 + 186104164 = 5859^2 + 13642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220432045 - 2¹⁹ = 219907757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759966 + ... + 760255.

It is an arithmetic number, because the mean of its divisors is an integer number (34204995).

Almost surely, 2^220432045 is an apocalyptic number.

It is an amenable number.

220432045 is a deficient number, since it is larger than the sum of its proper divisors (53207915).

220432045 is a wasteful number, since it uses less digits than its factorization.

220432045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520255.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 220432045 is about 14846.9540647232. The cubic root of 220432045 is about 604.0759931357.

Adding to 220432045 its reverse (540234022), we get a palindrome (760666067).

The spelling of 220432045 in words is "two hundred twenty million, four hundred thirty-two thousand, forty-five".