500402220520 has 64 divisors (see below), whose sum is σ = 1132518309120. Its totient is φ = 198988337664.

The previous prime is 500402220497. The next prime is 500402220581. The reversal of 500402220520 is 25022204005.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 500402220491 and 500402220500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5074404 + ... + 5172076.

It is an arithmetic number, because the mean of its divisors is an integer number (17695598580).

Almost surely, 2^500402220520 is an apocalyptic number.

It is an amenable number.

500402220520 is an abundant number, since it is smaller than the sum of its proper divisors (632116088600).

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

500402220520 is a wasteful number, since it uses less digits than its factorization.

500402220520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98434 (or 98430 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 500402220520 its reverse (25022204005), we get a palindrome (525424424525).

The spelling of 500402220520 in words is "five hundred billion, four hundred two million, two hundred twenty thousand, five hundred twenty".