220055325225 has 24 divisors (see below), whose sum is σ = 369991333920. Its totient is φ = 115373637120.

The previous prime is 220055325211. The next prime is 220055325241. The reversal of 220055325225 is 522523550022.

It is a happy number.

It is not a de Polignac number, because 220055325225 - 2⁸ = 220055324969 is a prime.

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, 24860584 + ... + 24869433.

It is an arithmetic number, because the mean of its divisors is an integer number (15416305580).

Almost surely, 2^220055325225 is an apocalyptic number.

220055325225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220055325225 is a deficient number, since it is larger than the sum of its proper divisors (149936008695).

220055325225 is a wasteful number, since it uses less digits than its factorization.

220055325225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49730089 (or 49730084 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 220055325225 its reverse (522523550022), we get a palindrome (742578875247).

The spelling of 220055325225 in words is "two hundred twenty billion, fifty-five million, three hundred twenty-five thousand, two hundred twenty-five".