30202230321220 has 24 divisors (see below), whose sum is σ = 63425931168600. Its totient is φ = 12080654510592.

The previous prime is 30202230321163. The next prime is 30202230321247. The reversal of 30202230321220 is 2212303220203.

It can be written as a sum of positive squares in 4 ways, for example, as 1814667633216 + 28387562688004 = 1347096^2 + 5327998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30202230321191 and 30202230321200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13807075 + ... + 15844234.

It is an arithmetic number, because the mean of its divisors is an integer number (2642747132025).

Almost surely, 2^{30202230321220} is an apocalyptic number.

It is an amenable number.

30202230321220 is an abundant number, since it is smaller than the sum of its proper divisors (33223700847380).

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

30202230321220 is a wasteful number, since it uses less digits than its factorization.

30202230321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29702247 (or 29702245 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30202230321220 its reverse (2212303220203), we get a palindrome (32414533541423).

The spelling of 30202230321220 in words is "thirty trillion, two hundred two billion, two hundred thirty million, three hundred twenty-one thousand, two hundred twenty".