30221303321220 has 96 divisors (see below), whose sum is σ = 92461960757376. Its totient is φ = 7314502272000.

The previous prime is 30221303321203. The next prime is 30221303321233. The reversal of 30221303321220 is 2212330312203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36699631 + ... + 37514070.

It is an arithmetic number, because the mean of its divisors is an integer number (963145424556).

Almost surely, 2^{30221303321220} is an apocalyptic number.

30221303321220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221303321220 is an abundant number, since it is smaller than the sum of its proper divisors (62240657436156).

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

30221303321220 is a wasteful number, since it uses less digits than its factorization.

30221303321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74214341 (or 74214339 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30221303321220 its reverse (2212330312203), we get a palindrome (32433633633423).

The spelling of 30221303321220 in words is "thirty trillion, two hundred twenty-one billion, three hundred three million, three hundred twenty-one thousand, two hundred twenty".