2003020133 has 4 divisors (see below), whose sum is σ = 2003210220. Its totient is φ = 2002830048.

The previous prime is 2003020127. The next prime is 2003020153. The reversal of 2003020133 is 3310203002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188430529 + 1814589604 = 13727^2 + 42598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003020133 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 (2003020153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78248 + ... + 100641.

It is an arithmetic number, because the mean of its divisors is an integer number (500802555).

Almost surely, 2^2003020133 is an apocalyptic number.

It is an amenable number.

2003020133 is a deficient number, since it is larger than the sum of its proper divisors (190087).

2003020133 is a wasteful number, since it uses less digits than its factorization.

2003020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190086.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2003020133 is about 44755.1129257876. The cubic root of 2003020133 is about 1260.5549191303.

Adding to 2003020133 its reverse (3310203002), we get a palindrome (5313223135).

The spelling of 2003020133 in words is "two billion, three million, twenty thousand, one hundred thirty-three".