204021240413 has 8 divisors (see below), whose sum is σ = 207333859200. Its totient is φ = 200726873568.

The previous prime is 204021240403. The next prime is 204021240487. The reversal of 204021240413 is 314042120402.

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 204021240413 - 2³⁴ = 186841371229 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 (204021240403) 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, 4540448 + ... + 4585161.

It is an arithmetic number, because the mean of its divisors is an integer number (25916732400).

Almost surely, 2^204021240413 is an apocalyptic number.

It is an amenable number.

204021240413 is a deficient number, since it is larger than the sum of its proper divisors (3312618787).

204021240413 is an equidigital number, since it uses as much as digits as its factorization.

204021240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125971.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 204021240413 its reverse (314042120402), we get a palindrome (518063360815).

The spelling of 204021240413 in words is "two hundred four billion, twenty-one million, two hundred forty thousand, four hundred thirteen".