526320220 has 24 divisors (see below), whose sum is σ = 1106331408. Its totient is φ = 210326400.

The previous prime is 526320209. The next prime is 526320251. The reversal of 526320220 is 22023625.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 526320191 and 526320200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 33880.

It is an arithmetic number, because the mean of its divisors is an integer number (46097142).

Almost surely, 2^526320220 is an apocalyptic number.

It is an amenable number.

526320220 is an abundant number, since it is smaller than the sum of its proper divisors (580011188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526320220 is a wasteful number, since it uses less digits than its factorization.

526320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25221 (or 25219 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 526320220 is about 22941.6699479354. The cubic root of 526320220 is about 807.3899730914.

Adding to 526320220 its reverse (22023625), we get a palindrome (548343845).

The spelling of 526320220 in words is "five hundred twenty-six million, three hundred twenty thousand, two hundred twenty".