20032311330 has 96 divisors (see below), whose sum is σ = 53942174208. Its totient is φ = 5154576000.

The previous prime is 20032311323. The next prime is 20032311361. The reversal of 20032311330 is 3311323002.

20032311330 is a `hidden beast` number, since 2 + 0 + 0 + 323 + 11 + 330 = 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266980 + ... + 333680.

It is an arithmetic number, because the mean of its divisors is an integer number (561897648).

Almost surely, 2^20032311330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032311330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26971087104).

20032311330 is an abundant number, since it is smaller than the sum of its proper divisors (33909862878).

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

20032311330 is a wasteful number, since it uses less digits than its factorization.

20032311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66832 (or 66829 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20032311330 its reverse (3311323002), we get a palindrome (23343634332).

The spelling of 20032311330 in words is "twenty billion, thirty-two million, three hundred eleven thousand, three hundred thirty".