220325389 has 4 divisors (see below), whose sum is σ = 233285724. Its totient is φ = 207365056.

The previous prime is 220325381. The next prime is 220325429. The reversal of 220325389 is 983523022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983523022 = 2 ⋅491761511.

It can be written as a sum of positive squares in 2 ways, for example, as 98664489 + 121660900 = 9933^2 + 11030^2 .

It is a cyclic number.

It is not a de Polignac number, because 220325389 - 2³ = 220325381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220325381) 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 3 ways as a sum of consecutive naturals, for example, 6480142 + ... + 6480175.

It is an arithmetic number, because the mean of its divisors is an integer number (58321431).

Almost surely, 2^220325389 is an apocalyptic number.

It is an amenable number.

220325389 is a deficient number, since it is larger than the sum of its proper divisors (12960335).

220325389 is a wasteful number, since it uses less digits than its factorization.

220325389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960334.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 220325389 is about 14843.3617822918. The cubic root of 220325389 is about 603.9785500694.

The spelling of 220325389 in words is "two hundred twenty million, three hundred twenty-five thousand, three hundred eighty-nine".