20332021321200 has 120 divisors (see below), whose sum is σ = 65189943576576. Its totient is φ = 5416902368000.

The previous prime is 20332021321109. The next prime is 20332021321201. The reversal of 20332021321200 is 212312023302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332021321201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6455856 + ... + 9074255.

Almost surely, 2^{20332021321200} is an apocalyptic number.

20332021321200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332021321200 is an abundant number, since it is smaller than the sum of its proper divisors (44857922255376).

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

20332021321200 is a wasteful number, since it uses less digits than its factorization.

20332021321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531223 (or 15531212 counting only the distinct ones).

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

Adding to 20332021321200 its reverse (212312023302), we get a palindrome (20544333344502).

The spelling of 20332021321200 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, three hundred twenty-one thousand, two hundred".