225543106310020 has 48 divisors (see below), whose sum is σ = 476101248300720. Its totient is φ = 89748546011136.

The previous prime is 225543106310009. The next prime is 225543106310023. The reversal of 225543106310020 is 20013601345522.

225543106310020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 183382645824 + 225359723664196 = 428232^2 + 15011986^2 .

It is not an unprimeable number, because it can be changed into a prime (225543106310023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306923754 + ... + 307657726.

It is an arithmetic number, because the mean of its divisors is an integer number (9918776006265).

Almost surely, 2^{225543106310020} is an apocalyptic number.

225543106310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225543106310020 is an abundant number, since it is smaller than the sum of its proper divisors (250558141990700).

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

225543106310020 is a wasteful number, since it uses less digits than its factorization.

225543106310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813784 (or 813782 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 225543106310020 its reverse (20013601345522), we get a palindrome (245556707655542).

The spelling of 225543106310020 in words is "two hundred twenty-five trillion, five hundred forty-three billion, one hundred six million, three hundred ten thousand, twenty".