225424255020 has 48 divisors (see below), whose sum is σ = 634714133760. Its totient is φ = 59777304256.

The previous prime is 225424255019. The next prime is 225424255037. The reversal of 225424255020 is 20552424522.

It is an unprimeable number.

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, 10483872 + ... + 10505351.

It is an arithmetic number, because the mean of its divisors is an integer number (13223211120).

Almost surely, 2^225424255020 is an apocalyptic number.

225424255020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225424255020 is an abundant number, since it is smaller than the sum of its proper divisors (409289878740).

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

225424255020 is a wasteful number, since it uses less digits than its factorization.

225424255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20989414 (or 20989412 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 225424255020 its reverse (20552424522), we get a palindrome (245976679542).

The spelling of 225424255020 in words is "two hundred twenty-five billion, four hundred twenty-four million, two hundred fifty-five thousand, twenty".