20031232220300 has 72 divisors (see below), whose sum is σ = 51279954539520. Its totient is φ = 6646307457600.

The previous prime is 20031232220297. The next prime is 20031232220303. The reversal of 20031232220300 is 302223213002.

It is an interprime number because it is at equal distance from previous prime (20031232220297) and next prime (20031232220303).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20031232220303) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 461527430 + ... + 461570829.

Almost surely, 2^{20031232220300} is an apocalyptic number.

20031232220300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031232220300 is an abundant number, since it is smaller than the sum of its proper divisors (31248722319220).

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

20031232220300 is a wasteful number, since it uses less digits than its factorization.

20031232220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923098311 (or 923098304 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20031232220300 its reverse (302223213002), we get a palindrome (20333455433302).

The spelling of 20031232220300 in words is "twenty trillion, thirty-one billion, two hundred thirty-two million, two hundred twenty thousand, three hundred".