30221021023320 has 32 divisors (see below), whose sum is σ = 90663063070320. Its totient is φ = 8058938939520.

The previous prime is 30221021023313. The next prime is 30221021023343. The reversal of 30221021023320 is 2332012012203.

It is a happy number.

It is a super-2 number, since 2×30221021023320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125920920811 + ... + 125920921050.

Almost surely, 2^{30221021023320} is an apocalyptic number.

30221021023320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221021023320 is an abundant number, since it is smaller than the sum of its proper divisors (60442042047000).

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

30221021023320 is a wasteful number, since it uses less digits than its factorization.

30221021023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251841841875 (or 251841841871 counting only the distinct ones).

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

Adding to 30221021023320 its reverse (2332012012203), we get a palindrome (32553033035523).

The spelling of 30221021023320 in words is "thirty trillion, two hundred twenty-one billion, twenty-one million, twenty-three thousand, three hundred twenty".