20000233 has 8 divisors (see below), whose sum is σ = 22188960. Its totient is φ = 17873280.

The previous prime is 20000221. The next prime is 20000243. The reversal of 20000233 is 33200002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14760 + ... + 16057.

It is an arithmetic number, because the mean of its divisors is an integer number (2773620).

Almost surely, 2^20000233 is an apocalyptic number.

It is an amenable number.

20000233 is a deficient number, since it is larger than the sum of its proper divisors (2188727).

20000233 is a wasteful number, since it uses less digits than its factorization.

20000233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30887.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20000233 is about 4472.1620051156. The cubic root of 20000233 is about 271.4428157542.

Adding to 20000233 its reverse (33200002), we get a palindrome (53200235).

It can be divided in two parts, 200002 and 33, that multiplied together give a palindrome (6600066).

The spelling of 20000233 in words is "twenty million, two hundred thirty-three", and thus it is an aban number.