20002320121332 has 12 divisors (see below), whose sum is σ = 46672080283136. Its totient is φ = 6667440040440.

The previous prime is 20002320121327. The next prime is 20002320121361. The reversal of 20002320121332 is 23312102320002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20002320121299 and 20002320121308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833430005044 + ... + 833430005067.

Almost surely, 2^{20002320121332} is an apocalyptic number.

It is an amenable number.

20002320121332 is an abundant number, since it is smaller than the sum of its proper divisors (26669760161804).

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

20002320121332 is a wasteful number, since it uses less digits than its factorization.

20002320121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666860010118 (or 1666860010116 counting only the distinct ones).

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

Adding to 20002320121332 its reverse (23312102320002), we get a palindrome (43314422441334).

The spelling of 20002320121332 in words is "twenty trillion, two billion, three hundred twenty million, one hundred twenty-one thousand, three hundred thirty-two".