220103525 has 6 divisors (see below), whose sum is σ = 272928402. Its totient is φ = 176082800.

The previous prime is 220103519. The next prime is 220103531. The reversal of 220103525 is 525301022.

220103525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220103519) and next prime (220103531).

It can be written as a sum of positive squares in 3 ways, for example, as 42627841 + 177475684 = 6529^2 + 13322^2 .

It is not a de Polignac number, because 220103525 - 2⁶ = 220103461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220103497 and 220103506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4402046 + ... + 4402095.

It is an arithmetic number, because the mean of its divisors is an integer number (45488067).

Almost surely, 2^220103525 is an apocalyptic number.

220103525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220103525 is a deficient number, since it is larger than the sum of its proper divisors (52824877).

220103525 is an equidigital number, since it uses as much as digits as its factorization.

220103525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804151 (or 8804146 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 220103525 is about 14835.8863907756. The cubic root of 220103525 is about 603.7757498659.

Adding to 220103525 its reverse (525301022), we get a palindrome (745404547).

The spelling of 220103525 in words is "two hundred twenty million, one hundred three thousand, five hundred twenty-five".