20041013033 has 4 divisors (see below), whose sum is σ = 20380691280. Its totient is φ = 19701334788.

The previous prime is 20041012997. The next prime is 20041013063. The reversal of 20041013033 is 33031014002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20041013033 - 2⁸ = 20041012777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20041013063) 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, 169839035 + ... + 169839152.

It is an arithmetic number, because the mean of its divisors is an integer number (5095172820).

Almost surely, 2^20041013033 is an apocalyptic number.

It is an amenable number.

20041013033 is a deficient number, since it is larger than the sum of its proper divisors (339678247).

20041013033 is an equidigital number, since it uses as much as digits as its factorization.

20041013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339678246.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20041013033 its reverse (33031014002), we get a palindrome (53072027035).

The spelling of 20041013033 in words is "twenty billion, forty-one million, thirteen thousand, thirty-three".