20323323000000 has 588 divisors, whose sum is σ = 74784699306096. Its totient is φ = 5272992000000.

The previous prime is 20323322999989. The next prime is 20323323000041. The reversal of 20323323000000 is 32332302.

20323323000000 is a `hidden beast` number, since 2 + 0 + 32 + 332 + 300 + 0 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 332969485 + ... + 333030515.

Almost surely, 2^{20323323000000} is an apocalyptic number.

20323323000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323323000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37392349653048).

20323323000000 is an abundant number, since it is smaller than the sum of its proper divisors (54461376306096).

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

20323323000000 is an frugal number, since it uses more digits than its factorization.

20323323000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61116 (or 61078 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20323323000000 its reverse (32332302), we get a palindrome (20323355332302).

It can be divided in two parts, 20323 and 323000000, that added together give a palindrome (323020323).

The spelling of 20323323000000 in words is "twenty trillion, three hundred twenty-three billion, three hundred twenty-three million", and thus it is an aban number.