20030330233 has 8 divisors (see below), whose sum is σ = 21533166720. Its totient is φ = 18572354640.

The previous prime is 20030330161. The next prime is 20030330261. The reversal of 20030330233 is 33203303002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20030330233 - 2²¹ = 20028233081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20030330233.

It is not an unprimeable number, because it can be changed into a prime (20030330263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11214298 + ... + 11216083.

It is an arithmetic number, because the mean of its divisors is an integer number (2691645840).

Almost surely, 2^20030330233 is an apocalyptic number.

It is an amenable number.

20030330233 is a deficient number, since it is larger than the sum of its proper divisors (1502836487).

20030330233 is a wasteful number, since it uses less digits than its factorization.

20030330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22430447.

The product of its (nonzero) digits is 972, while the sum is 19.

Adding to 20030330233 its reverse (33203303002), we get a palindrome (53233633235).

The spelling of 20030330233 in words is "twenty billion, thirty million, three hundred thirty thousand, two hundred thirty-three".