30003122223220 has 12 divisors (see below), whose sum is σ = 63006556668804. Its totient is φ = 12001248889280.

The previous prime is 30003122223199. The next prime is 30003122223223. The reversal of 30003122223220 is 2232222130003.

It can be written as a sum of positive squares in 2 ways, for example, as 5278101897744 + 24725020325476 = 2297412^2 + 4972426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30003122223191 and 30003122223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003122223223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750078055561 + ... + 750078055600.

It is an arithmetic number, because the mean of its divisors is an integer number (5250546389067).

Almost surely, 2^{30003122223220} is an apocalyptic number.

It is an amenable number.

30003122223220 is an abundant number, since it is smaller than the sum of its proper divisors (33003434445584).

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

30003122223220 is a wasteful number, since it uses less digits than its factorization.

30003122223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500156111170 (or 1500156111168 counting only the distinct ones).

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

Adding to 30003122223220 its reverse (2232222130003), we get a palindrome (32235344353223).

The spelling of 30003122223220 in words is "thirty trillion, three billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty".