20003322330 has 64 divisors (see below), whose sum is σ = 53485470720. Its totient is φ = 5319891648.

The previous prime is 20003322329. The next prime is 20003322343. The reversal of 20003322330 is 3322330002.

20003322330 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 332 + 2 + 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399 + ... + 200021.

It is an arithmetic number, because the mean of its divisors is an integer number (835710480).

Almost surely, 2^20003322330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003322330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26742735360).

20003322330 is an abundant number, since it is smaller than the sum of its proper divisors (33482148390).

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

20003322330 is a wasteful number, since it uses less digits than its factorization.

20003322330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199012 (or 199006 counting only the distinct ones).

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

Adding to 20003322330 its reverse (3322330002), we get a palindrome (23325652332).

The spelling of 20003322330 in words is "twenty billion, three million, three hundred twenty-two thousand, three hundred thirty".