505220211232 has 24 divisors (see below), whose sum is σ = 1085075227152. Its totient is φ = 229645550400.

The previous prime is 505220211229. The next prime is 505220211247. The reversal of 505220211232 is 232112022505.

It is a junction number, because it is equal to n+sod(n) for n = 505220211197 and 505220211206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717641994 + ... + 717642697.

It is an arithmetic number, because the mean of its divisors is an integer number (45211467798).

Almost surely, 2^505220211232 is an apocalyptic number.

It is an amenable number.

505220211232 is an abundant number, since it is smaller than the sum of its proper divisors (579855015920).

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

505220211232 is a wasteful number, since it uses less digits than its factorization.

505220211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435284712 (or 1435284704 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 505220211232 its reverse (232112022505), we get a palindrome (737332233737).

The spelling of 505220211232 in words is "five hundred five billion, two hundred twenty million, two hundred eleven thousand, two hundred thirty-two".