20310121065133 has 8 divisors (see below), whose sum is σ = 20691046692000. Its totient is φ = 19930418314608.

The previous prime is 20310121065083. The next prime is 20310121065197. The reversal of 20310121065133 is 33156012101302.

It is a happy number.

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 20310121065133 - 2⁹ = 20310121064621 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 (20310121035133) 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, 305685558 + ... + 305751991.

It is an arithmetic number, because the mean of its divisors is an integer number (2586380836500).

Almost surely, 2^{20310121065133} is an apocalyptic number.

It is an amenable number.

20310121065133 is a deficient number, since it is larger than the sum of its proper divisors (380925626867).

20310121065133 is an equidigital number, since it uses as much as digits as its factorization.

20310121065133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611438171.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 20310121065133 its reverse (33156012101302), we get a palindrome (53466133166435).

The spelling of 20310121065133 in words is "twenty trillion, three hundred ten billion, one hundred twenty-one million, sixty-five thousand, one hundred thirty-three".