504220311220 has 24 divisors (see below), whose sum is σ = 1059329413800. Its totient is φ = 201599217792.

The previous prime is 504220311173. The next prime is 504220311227. The reversal of 504220311220 is 22113022405.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8071944336 + 496148366884 = 89844^2 + 704378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 504220311191 and 504220311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504220311227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5510155 + ... + 5600914.

It is an arithmetic number, because the mean of its divisors is an integer number (44138725575).

Almost surely, 2^504220311220 is an apocalyptic number.

It is an amenable number.

504220311220 is an abundant number, since it is smaller than the sum of its proper divisors (555109102580).

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

504220311220 is a wasteful number, since it uses less digits than its factorization.

504220311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113347 (or 11113345 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 504220311220 its reverse (22113022405), we get a palindrome (526333333625).

The spelling of 504220311220 in words is "five hundred four billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty".