20004304356635 has 8 divisors (see below), whose sum is σ = 24005503797696. Its totient is φ = 16003217772160.

The previous prime is 20004304356623. The next prime is 20004304356667. The reversal of 20004304356635 is 53665340340002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20004304356635 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20004304356592 and 20004304356601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27823694 + ... + 28533603.

It is an arithmetic number, because the mean of its divisors is an integer number (3000687974712).

Almost surely, 2^{20004304356635} is an apocalyptic number.

20004304356635 is a deficient number, since it is larger than the sum of its proper divisors (4001199441061).

20004304356635 is an equidigital number, since it uses as much as digits as its factorization.

20004304356635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56428293.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 20004304356635 its reverse (53665340340002), we get a palindrome (73669644696637).

The spelling of 20004304356635 in words is "twenty trillion, four billion, three hundred four million, three hundred fifty-six thousand, six hundred thirty-five".