20004063133 has 4 divisors (see below), whose sum is σ = 20007567900. Its totient is φ = 20000558368.

The previous prime is 20004063059. The next prime is 20004063173. The reversal of 20004063133 is 33136040002.

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 15014336089 + 4989727044 = 122533^2 + 70638^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004063133 - 2²⁹ = 19467192221 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 (20004063173) 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, 1743808 + ... + 1755241.

It is an arithmetic number, because the mean of its divisors is an integer number (5001891975).

Almost surely, 2^20004063133 is an apocalyptic number.

It is an amenable number.

20004063133 is a deficient number, since it is larger than the sum of its proper divisors (3504767).

20004063133 is an equidigital number, since it uses as much as digits as its factorization.

20004063133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504766.

The product of its (nonzero) digits is 1296, while the sum is 22.

The spelling of 20004063133 in words is "twenty billion, four million, sixty-three thousand, one hundred thirty-three".