20004304400331 has 4 divisors (see below), whose sum is σ = 26672405867112. Its totient is φ = 13336202933552.

The previous prime is 20004304400279. The next prime is 20004304400371. The reversal of 20004304400331 is 13300440340002.

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 20004304400331 - 2⁹ = 20004304399819 is a prime.

It is a super-2 number, since 2×20004304400331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20004304400371) 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, 3334050733386 + ... + 3334050733391.

It is an arithmetic number, because the mean of its divisors is an integer number (6668101466778).

Almost surely, 2^{20004304400331} is an apocalyptic number.

20004304400331 is a deficient number, since it is larger than the sum of its proper divisors (6668101466781).

20004304400331 is an equidigital number, since it uses as much as digits as its factorization.

20004304400331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668101466780.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20004304400331 its reverse (13300440340002), we get a palindrome (33304744740333).

The spelling of 20004304400331 in words is "twenty trillion, four billion, three hundred four million, four hundred thousand, three hundred thirty-one".