20033100233 has 8 divisors (see below), whose sum is σ = 20274993120. Its totient is φ = 19792594080.

The previous prime is 20033100221. The next prime is 20033100239. The reversal of 20033100233 is 33200133002.

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-20033100233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033100239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317603 + ... + 375416.

It is an arithmetic number, because the mean of its divisors is an integer number (2534374140).

Almost surely, 2^20033100233 is an apocalyptic number.

It is an amenable number.

20033100233 is a deficient number, since it is larger than the sum of its proper divisors (241892887).

20033100233 is a wasteful number, since it uses less digits than its factorization.

20033100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693367.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20033100233 its reverse (33200133002), we get a palindrome (53233233235).

The spelling of 20033100233 in words is "twenty billion, thirty-three million, one hundred thousand, two hundred thirty-three".