20331200020302 has 96 divisors (see below), whose sum is σ = 46431727220736. Its totient is φ = 6416787960000.

The previous prime is 20331200020291. The next prime is 20331200020343. The reversal of 20331200020302 is 20302000213302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194424643 + ... + 194529185.

It is an arithmetic number, because the mean of its divisors is an integer number (483663825216).

Almost surely, 2^{20331200020302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20331200020302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23215863610368).

20331200020302 is an abundant number, since it is smaller than the sum of its proper divisors (26100527200434).

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

20331200020302 is a wasteful number, since it uses less digits than its factorization.

20331200020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109326 (or 109323 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20331200020302 its reverse (20302000213302), we get a palindrome (40633200233604).

The spelling of 20331200020302 in words is "twenty trillion, three hundred thirty-one billion, two hundred million, twenty thousand, three hundred two".