20003023133 has 8 divisors (see below), whose sum is σ = 20492873016. Its totient is φ = 19513267200.

The previous prime is 20003023121. The next prime is 20003023163. The reversal of 20003023133 is 33132030002.

It can be written as a sum of positive squares in 4 ways, for example, as 6524277529 + 13478745604 = 80773^2 + 116098^2 .

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 20003023133 - 2⁸ = 20003022877 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 (20003023163) 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, 621485 + ... + 652877.

It is an arithmetic number, because the mean of its divisors is an integer number (2561609127).

Almost surely, 2^20003023133 is an apocalyptic number.

It is an amenable number.

20003023133 is a deficient number, since it is larger than the sum of its proper divisors (489849883).

20003023133 is a wasteful number, since it uses less digits than its factorization.

20003023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46975.

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

Adding to 20003023133 its reverse (33132030002), we get a palindrome (53135053135).

The spelling of 20003023133 in words is "twenty billion, three million, twenty-three thousand, one hundred thirty-three".