204432033013 has 4 divisors (see below), whose sum is σ = 220157574028. Its totient is φ = 188706492000.

The previous prime is 204432033011. The next prime is 204432033017. The reversal of 204432033013 is 310330234402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310330234402 = 2 ⋅155165117201.

It can be written as a sum of positive squares in 2 ways, for example, as 133855734769 + 70576298244 = 365863^2 + 265662^2 .

It is not a de Polignac number, because 204432033013 - 2¹ = 204432033011 is a prime.

It is a super-2 number, since 2×204432033013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204432033011) 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, 7862770488 + ... + 7862770513.

It is an arithmetic number, because the mean of its divisors is an integer number (55039393507).

Almost surely, 2^204432033013 is an apocalyptic number.

It is an amenable number.

204432033013 is a deficient number, since it is larger than the sum of its proper divisors (15725541015).

204432033013 is a wasteful number, since it uses less digits than its factorization.

204432033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725541014.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 204432033013 its reverse (310330234402), we get a palindrome (514762267415).

The spelling of 204432033013 in words is "two hundred four billion, four hundred thirty-two million, thirty-three thousand, thirteen".