20004304404151 has 2 divisors, whose sum is σ = 20004304404152. Its totient is φ = 20004304404150.

The previous prime is 20004304404079. The next prime is 20004304404181. The reversal of 20004304404151 is 15140440340002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20004304404151 - 2²¹ = 20004302306999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004304404181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002152202075 + 10002152202076.

It is an arithmetic number, because the mean of its divisors is an integer number (10002152202076).

Almost surely, 2^{20004304404151} is an apocalyptic number.

20004304404151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004304404151 is an equidigital number, since it uses as much as digits as its factorization.

20004304404151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 20004304404151 its reverse (15140440340002), we get a palindrome (35144744744153).

The spelling of 20004304404151 in words is "twenty trillion, four billion, three hundred four million, four hundred four thousand, one hundred fifty-one".