20134104587 has 2 divisors, whose sum is σ = 20134104588. Its totient is φ = 20134104586.

The previous prime is 20134104583. The next prime is 20134104647. The reversal of 20134104587 is 78540143102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20134104587 - 2² = 20134104583 is a prime.

It is not a weakly prime, because it can be changed into another prime (20134104583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067052293 + 10067052294.

It is an arithmetic number, because the mean of its divisors is an integer number (10067052294).

Almost surely, 2^20134104587 is an apocalyptic number.

20134104587 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134104587 is an equidigital number, since it uses as much as digits as its factorization.

20134104587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 20134104587 its reverse (78540143102), we get a palindrome (98674247689).

The spelling of 20134104587 in words is "twenty billion, one hundred thirty-four million, one hundred four thousand, five hundred eighty-seven".