20005343342013 has 8 divisors (see below), whose sum is σ = 26681388342976. Its totient is φ = 13333096951200.

The previous prime is 20005343342003. The next prime is 20005343342021. The reversal of 20005343342013 is 31024334350002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20005343342013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005343342003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949640248 + ... + 949661313.

It is an arithmetic number, because the mean of its divisors is an integer number (3335173542872).

Almost surely, 2^{20005343342013} is an apocalyptic number.

It is an amenable number.

20005343342013 is a deficient number, since it is larger than the sum of its proper divisors (6676045000963).

20005343342013 is a wasteful number, since it uses less digits than its factorization.

20005343342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899305075.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 20005343342013 its reverse (31024334350002), we get a palindrome (51029677692015).

The spelling of 20005343342013 in words is "twenty trillion, five billion, three hundred forty-three million, three hundred forty-two thousand, thirteen".