20331230000 has 100 divisors (see below), whose sum is σ = 49900033128. Its totient is φ = 8020800000.

The previous prime is 20331229993. The next prime is 20331230009. The reversal of 20331230000 is 3213302.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (20331230009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 716075 + ... + 743925.

Almost surely, 2^20331230000 is an apocalyptic number.

20331230000 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 20331230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24950016564).

20331230000 is an abundant number, since it is smaller than the sum of its proper divisors (29568803128).

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

20331230000 is an equidigital number, since it uses as much as digits as its factorization.

20331230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27952 (or 27931 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20331230000 its reverse (3213302), we get a palindrome (20334443302).

The spelling of 20331230000 in words is "twenty billion, three hundred thirty-one million, two hundred thirty thousand".