20315136134606 has 16 divisors (see below), whose sum is σ = 32470727153616. Its totient is φ = 9499171933056.

The previous prime is 20315136134479. The next prime is 20315136134627. The reversal of 20315136134606 is 60643163151302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902873656 + ... + 1902884331.

It is an arithmetic number, because the mean of its divisors is an integer number (2029420447101).

Almost surely, 2^{20315136134606} is an apocalyptic number.

20315136134606 is a deficient number, since it is larger than the sum of its proper divisors (12155591019010).

20315136134606 is a wasteful number, since it uses less digits than its factorization.

20315136134606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805758163.

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 20315136134606 its reverse (60643163151302), we get a palindrome (80958299285908).

The spelling of 20315136134606 in words is "twenty trillion, three hundred fifteen billion, one hundred thirty-six million, one hundred thirty-four thousand, six hundred six".