20004304404143 has 16 divisors (see below), whose sum is σ = 21391158741120. Its totient is φ = 18640805184000.

The previous prime is 20004304404079. The next prime is 20004304404151. The reversal of 20004304404143 is 34140440340002.

It is a happy number.

It is not a de Polignac number, because 20004304404143 - 2⁶ = 20004304404079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004304004143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133904573 + ... + 134053881.

It is an arithmetic number, because the mean of its divisors is an integer number (1336947421320).

Almost surely, 2^{20004304404143} is an apocalyptic number.

20004304404143 is a deficient number, since it is larger than the sum of its proper divisors (1386854336977).

20004304404143 is a wasteful number, since it uses less digits than its factorization.

20004304404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227458.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20004304404143 its reverse (34140440340002), we get a palindrome (54144744744145).

The spelling of 20004304404143 in words is "twenty trillion, four billion, three hundred four million, four hundred four thousand, one hundred forty-three".