20310453064121 has 6 divisors (see below), whose sum is σ = 22324712872266. Its totient is φ = 18464048240000.

The previous prime is 20310453064093. The next prime is 20310453064163. The reversal of 20310453064121 is 12146035401302.

It can be written as a sum of positive squares in only one way, i.e., 19227032298496 + 1083420765625 = 4384864^2 + 1040875^2 .

It is not a de Polignac number, because 20310453064121 - 2²² = 20310448869817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310453066121) 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 5 ways as a sum of consecutive naturals, for example, 83927491880 + ... + 83927492121.

It is an arithmetic number, because the mean of its divisors is an integer number (3720785478711).

Almost surely, 2^{20310453064121} is an apocalyptic number.

It is an amenable number.

20310453064121 is a deficient number, since it is larger than the sum of its proper divisors (2014259808145).

20310453064121 is a wasteful number, since it uses less digits than its factorization.

20310453064121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167854984023 (or 167854984012 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20310453064121 its reverse (12146035401302), we get a palindrome (32456488465423).

The spelling of 20310453064121 in words is "twenty trillion, three hundred ten billion, four hundred fifty-three million, sixty-four thousand, one hundred twenty-one".