20345613216133 has 8 divisors (see below), whose sum is σ = 20453923630080. Its totient is φ = 20237321436720.

The previous prime is 20345613216077. The next prime is 20345613216151. The reversal of 20345613216133 is 33161231654302.

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-20345613216133 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 (20345613210133) 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, 2466438 + ... + 6839191.

It is an arithmetic number, because the mean of its divisors is an integer number (2556740453760).

Almost surely, 2^{20345613216133} is an apocalyptic number.

It is an amenable number.

20345613216133 is a deficient number, since it is larger than the sum of its proper divisors (108310413947).

20345613216133 is a wasteful number, since it uses less digits than its factorization.

20345613216133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317267.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 20345613216133 in words is "twenty trillion, three hundred forty-five billion, six hundred thirteen million, two hundred sixteen thousand, one hundred thirty-three".