20012003233 has 8 divisors (see below), whose sum is σ = 20707381800. Its totient is φ = 19316978688.

The previous prime is 20012003201. The next prime is 20012003257. The reversal of 20012003233 is 33230021002.

It can be written as a sum of positive squares in 4 ways, for example, as 7249330449 + 12762672784 = 85143^2 + 112972^2 .

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 20012003233 - 2⁵ = 20012003201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012003293) 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, 29185 + ... + 202177.

It is an arithmetic number, because the mean of its divisors is an integer number (2588422725).

Almost surely, 2^20012003233 is an apocalyptic number.

It is an amenable number.

20012003233 is a deficient number, since it is larger than the sum of its proper divisors (695378567).

20012003233 is a wasteful number, since it uses less digits than its factorization.

20012003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177011.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20012003233 its reverse (33230021002), we get a palindrome (53242024235).

The spelling of 20012003233 in words is "twenty billion, twelve million, three thousand, two hundred thirty-three".