20332221330320 has 40 divisors (see below), whose sum is σ = 47293490540736. Its totient is φ = 8129262562688.

The previous prime is 20332221330307. The next prime is 20332221330329. The reversal of 20332221330320 is 2303312223302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 20332221330320.

It is not an unprimeable number, because it can be changed into a prime (20332221330329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56475212 + ... + 56834091.

Almost surely, 2^{20332221330320} is an apocalyptic number.

20332221330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332221330320 is an abundant number, since it is smaller than the sum of its proper divisors (26961269210416).

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

20332221330320 is a wasteful number, since it uses less digits than its factorization.

20332221330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113311559 (or 113311553 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 20332221330320 its reverse (2303312223302), we get a palindrome (22635533553622).

The spelling of 20332221330320 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-one million, three hundred thirty thousand, three hundred twenty".