20030203133 has 8 divisors (see below), whose sum is σ = 20526106968. Its totient is φ = 19538668864.

The previous prime is 20030203129. The next prime is 20030203153. The reversal of 20030203133 is 33130203002.

It can be written as a sum of positive squares in 4 ways, for example, as 15345758884 + 4684444249 = 123878^2 + 68443^2 .

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 20030203133 - 2² = 20030203129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030203103) 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, 1083110 + ... + 1101447.

It is an arithmetic number, because the mean of its divisors is an integer number (2565763371).

Almost surely, 2^20030203133 is an apocalyptic number.

It is an amenable number.

20030203133 is a deficient number, since it is larger than the sum of its proper divisors (495903835).

20030203133 is a wasteful number, since it uses less digits than its factorization.

20030203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184783.

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

Adding to 20030203133 its reverse (33130203002), we get a palindrome (53160406135).

The spelling of 20030203133 in words is "twenty billion, thirty million, two hundred three thousand, one hundred thirty-three".