300505122220 has 48 divisors (see below), whose sum is σ = 669023486208. Its totient is φ = 113180647680.

The previous prime is 300505122187. The next prime is 300505122289. The reversal of 300505122220 is 22221505003.

It is a junction number, because it is equal to n+sod(n) for n = 300505122191 and 300505122200.

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, 6526867 + ... + 6572746.

It is an arithmetic number, because the mean of its divisors is an integer number (13937989296).

Almost surely, 2^300505122220 is an apocalyptic number.

It is an amenable number.

300505122220 is an abundant number, since it is smaller than the sum of its proper divisors (368518363988).

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

300505122220 is a wasteful number, since it uses less digits than its factorization.

300505122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099690 (or 13099688 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 300505122220 its reverse (22221505003), we get a palindrome (322726627223).

The spelling of 300505122220 in words is "three hundred billion, five hundred five million, one hundred twenty-two thousand, two hundred twenty".