20320423113415 has 48 divisors (see below), whose sum is σ = 26047993507200. Its totient is φ = 15210026574336.

The previous prime is 20320423113413. The next prime is 20320423113421. The reversal of 20320423113415 is 51431132402302.

It is not a de Polignac number, because 20320423113415 - 2¹ = 20320423113413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320423113413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222353851 + ... + 222445219.

It is an arithmetic number, because the mean of its divisors is an integer number (542666531400).

Almost surely, 2^{20320423113415} is an apocalyptic number.

20320423113415 is a deficient number, since it is larger than the sum of its proper divisors (5727570393785).

20320423113415 is a wasteful number, since it uses less digits than its factorization.

20320423113415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93256 (or 93233 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20320423113415 its reverse (51431132402302), we get a palindrome (71751555515717).

The spelling of 20320423113415 in words is "twenty trillion, three hundred twenty billion, four hundred twenty-three million, one hundred thirteen thousand, four hundred fifteen".