20104234430207 has 4 divisors (see below), whose sum is σ = 20752758121536. Its totient is φ = 19455710738880.

The previous prime is 20104234430183. The next prime is 20104234430209. The reversal of 20104234430207 is 70203443240102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20104234430207 - 2¹⁸ = 20104234168063 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 (20104234430209) 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 3 ways as a sum of consecutive naturals, for example, 324261845618 + ... + 324261845679.

It is an arithmetic number, because the mean of its divisors is an integer number (5188189530384).

Almost surely, 2^{20104234430207} is an apocalyptic number.

20104234430207 is a deficient number, since it is larger than the sum of its proper divisors (648523691329).

20104234430207 is an equidigital number, since it uses as much as digits as its factorization.

20104234430207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648523691328.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 20104234430207 its reverse (70203443240102), we get a palindrome (90307677670309).

The spelling of 20104234430207 in words is "twenty trillion, one hundred four billion, two hundred thirty-four million, four hundred thirty thousand, two hundred seven".