30221231320020 has 96 divisors (see below), whose sum is σ = 91160539319808. Its totient is φ = 7436467971072.

The previous prime is 30221231319997. The next prime is 30221231320037. The reversal of 30221231320020 is 2002313212203.

It is a happy number.

It is a congruent number.

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, 4552284 + ... + 9009203.

It is an arithmetic number, because the mean of its divisors is an integer number (949588951248).

Almost surely, 2^{30221231320020} is an apocalyptic number.

30221231320020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221231320020 is an abundant number, since it is smaller than the sum of its proper divisors (60939307999788).

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

30221231320020 is a wasteful number, since it uses less digits than its factorization.

30221231320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564369 (or 13564367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30221231320020 its reverse (2002313212203), we get a palindrome (32223544532223).

The spelling of 30221231320020 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred twenty thousand, twenty".