220525303240 has 64 divisors (see below), whose sum is σ = 541371936960. Its totient is φ = 80178789120.

The previous prime is 220525303223. The next prime is 220525303241. The reversal of 220525303240 is 42303525022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220525303199 and 220525303208.

It is not an unprimeable number, because it can be changed into a prime (220525303241) 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 15 ways as a sum of consecutive naturals, for example, 3152322 + ... + 3221518.

It is an arithmetic number, because the mean of its divisors is an integer number (8458936515).

Almost surely, 2^220525303240 is an apocalyptic number.

220525303240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220525303240 is an abundant number, since it is smaller than the sum of its proper divisors (320846633720).

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

220525303240 is a wasteful number, since it uses less digits than its factorization.

220525303240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76462 (or 76458 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 220525303240 its reverse (42303525022), we get a palindrome (262828828262).

The spelling of 220525303240 in words is "two hundred twenty billion, five hundred twenty-five million, three hundred three thousand, two hundred forty".