220730125325 has 6 divisors (see below), whose sum is σ = 273705355434. Its totient is φ = 176584100240.

The previous prime is 220730125321. The next prime is 220730125327. The reversal of 220730125325 is 523521037022.

It can be written as a sum of positive squares in 3 ways, for example, as 794450596 + 219935674729 = 28186^2 + 468973^2 .

It is not a de Polignac number, because 220730125325 - 2² = 220730125321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220730125291 and 220730125300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220730125321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4414602482 + ... + 4414602531.

It is an arithmetic number, because the mean of its divisors is an integer number (45617559239).

Almost surely, 2^220730125325 is an apocalyptic number.

220730125325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220730125325 is a deficient number, since it is larger than the sum of its proper divisors (52975230109).

220730125325 is an equidigital number, since it uses as much as digits as its factorization.

220730125325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829205023 (or 8829205018 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 220730125325 in words is "two hundred twenty billion, seven hundred thirty million, one hundred twenty-five thousand, three hundred twenty-five".