220424525 has 12 divisors (see below), whose sum is σ = 285210912. Its totient is φ = 168672240.

The previous prime is 220424513. The next prime is 220424599. The reversal of 220424525 is 525424022.

220424525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220424525 - 2¹⁶ = 220358989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220424494 and 220424503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191099 + ... + 192248.

It is an arithmetic number, because the mean of its divisors is an integer number (23767576).

Almost surely, 2^220424525 is an apocalyptic number.

220424525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220424525 is a deficient number, since it is larger than the sum of its proper divisors (64786387).

220424525 is a wasteful number, since it uses less digits than its factorization.

220424525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383380 (or 383375 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 220424525 is about 14846.7008119649. The cubic root of 220424525 is about 604.0691237425.

Adding to 220424525 its reverse (525424022), we get a palindrome (745848547).

The spelling of 220424525 in words is "two hundred twenty million, four hundred twenty-four thousand, five hundred twenty-five".