30221023313220 has 144 divisors (see below), whose sum is σ = 92386440941760. Its totient is φ = 7371516241152.

The previous prime is 30221023313203. The next prime is 30221023313237. The reversal of 30221023313220 is 2231332012203.

It is an interprime number because it is at equal distance from previous prime (30221023313203) and next prime (30221023313237).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23427822 + ... + 24684101.

It is an arithmetic number, because the mean of its divisors is an integer number (641572506540).

Almost surely, 2^{30221023313220} is an apocalyptic number.

30221023313220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221023313220 is an abundant number, since it is smaller than the sum of its proper divisors (62165417628540).

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

30221023313220 is a wasteful number, since it uses less digits than its factorization.

30221023313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48112002 (or 48111981 counting only the distinct ones).

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

Adding to 30221023313220 its reverse (2231332012203), we get a palindrome (32452355325423).

The spelling of 30221023313220 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, three hundred thirteen thousand, two hundred twenty".