30320121233220 has 288 divisors, whose sum is σ = 110591490401280. Its totient is φ = 6060516733440.

The previous prime is 30320121233219. The next prime is 30320121233257. The reversal of 30320121233220 is 2233212102303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9892546 + ... + 12589785.

It is an arithmetic number, because the mean of its divisors is an integer number (383998230560).

Almost surely, 2^{30320121233220} is an apocalyptic number.

30320121233220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30320121233220 is an abundant number, since it is smaller than the sum of its proper divisors (80271369168060).

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

30320121233220 is a wasteful number, since it uses less digits than its factorization.

30320121233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22482395 (or 22482380 counting only the distinct ones).

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

Adding to 30320121233220 its reverse (2233212102303), we get a palindrome (32553333335523).

The spelling of 30320121233220 in words is "thirty trillion, three hundred twenty billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty".