20430020124313 has 8 divisors (see below), whose sum is σ = 20507371504200. Its totient is φ = 20352720611328.

The previous prime is 20430020124281. The next prime is 20430020124317. The reversal of 20430020124313 is 31342102003402.

It can be written as a sum of positive squares in 4 ways, for example, as 8856504576144 + 11573515548169 = 2975988^2 + 3401987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20430020124313 - 2⁵ = 20430020124281 is a prime.

It is a super-3 number, since 3×20430020124313³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20430020124317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12177358 + ... + 13753111.

It is an arithmetic number, because the mean of its divisors is an integer number (2563421438025).

Almost surely, 2^{20430020124313} is an apocalyptic number.

It is an amenable number.

20430020124313 is a deficient number, since it is larger than the sum of its proper divisors (77351379887).

20430020124313 is a wasteful number, since it uses less digits than its factorization.

20430020124313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25933451.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20430020124313 its reverse (31342102003402), we get a palindrome (51772122127715).

The spelling of 20430020124313 in words is "twenty trillion, four hundred thirty billion, twenty million, one hundred twenty-four thousand, three hundred thirteen".