20135745546613 has 8 divisors (see below), whose sum is σ = 22007949592320. Its totient is φ = 18339957992640.

The previous prime is 20135745546577. The next prime is 20135745546643. The reversal of 20135745546613 is 31664554753102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20135745546613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135745546643) 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, 19104122383 + ... + 19104123436.

It is an arithmetic number, because the mean of its divisors is an integer number (2750993699040).

Almost surely, 2^{20135745546613} is an apocalyptic number.

It is an amenable number.

20135745546613 is a deficient number, since it is larger than the sum of its proper divisors (1872204045707).

20135745546613 is a wasteful number, since it uses less digits than its factorization.

20135745546613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208245867.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 20135745546613 in words is "twenty trillion, one hundred thirty-five billion, seven hundred forty-five million, five hundred forty-six thousand, six hundred thirteen".