20204203204415 has 8 divisors (see below), whose sum is σ = 25027142034048. Its totient is φ = 15641963771040.

The previous prime is 20204203204373. The next prime is 20204203204417. The reversal of 20204203204415 is 51440230240202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20204203204415 - 2¹⁰ = 20204203203391 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 (20204203204417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65174848892 + ... + 65174849201.

It is an arithmetic number, because the mean of its divisors is an integer number (3128392754256).

Almost surely, 2^{20204203204415} is an apocalyptic number.

20204203204415 is a deficient number, since it is larger than the sum of its proper divisors (4822938829633).

20204203204415 is a wasteful number, since it uses less digits than its factorization.

20204203204415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130349698129.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20204203204415 its reverse (51440230240202), we get a palindrome (71644433444617).

The spelling of 20204203204415 in words is "twenty trillion, two hundred four billion, two hundred three million, two hundred four thousand, four hundred fifteen".