220323525 has 24 divisors (see below), whose sum is σ = 383442720. Its totient is φ = 111320640.

The previous prime is 220323473. The next prime is 220323539. The reversal of 220323525 is 525323022.

It is not a de Polignac number, because 220323525 - 2⁶ = 220323461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220323495 and 220323504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75882 + ... + 78731.

It is an arithmetic number, because the mean of its divisors is an integer number (15976780).

Almost surely, 2^220323525 is an apocalyptic number.

220323525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220323525 is a deficient number, since it is larger than the sum of its proper divisors (163119195).

220323525 is a wasteful number, since it uses less digits than its factorization.

220323525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154645 (or 154640 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 220323525 is about 14843.2989931484. The cubic root of 220323525 is about 603.9768468019.

Adding to 220323525 its reverse (525323022), we get a palindrome (745646547).

The spelling of 220323525 in words is "two hundred twenty million, three hundred twenty-three thousand, five hundred twenty-five".