225104050020 has 96 divisors (see below), whose sum is σ = 665313868800. Its totient is φ = 56709880704.

The previous prime is 225104050013. The next prime is 225104050033. The reversal of 225104050020 is 20050401522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134247 + ... + 684273.

It is an arithmetic number, because the mean of its divisors is an integer number (6930352800).

Almost surely, 2^225104050020 is an apocalyptic number.

225104050020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225104050020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332656934400).

225104050020 is an abundant number, since it is smaller than the sum of its proper divisors (440209818780).

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

225104050020 is a wasteful number, since it uses less digits than its factorization.

225104050020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550417 (or 550415 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 225104050020 its reverse (20050401522), we get a palindrome (245154451542).

The spelling of 225104050020 in words is "two hundred twenty-five billion, one hundred four million, fifty thousand, twenty".