20321101301201 has 4 divisors (see below), whose sum is σ = 20481109972992. Its totient is φ = 20161092629412.

The previous prime is 20321101301143. The next prime is 20321101301311. The reversal of 20321101301201 is 10210310112302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20321101301201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20321101301201.

It is not an unprimeable number, because it can be changed into a prime (20321101301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80004335705 + ... + 80004335958.

It is an arithmetic number, because the mean of its divisors is an integer number (5120277493248).

Almost surely, 2^{20321101301201} is an apocalyptic number.

It is an amenable number.

20321101301201 is a deficient number, since it is larger than the sum of its proper divisors (160008671791).

20321101301201 is a wasteful number, since it uses less digits than its factorization.

20321101301201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160008671790.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20321101301201 its reverse (10210310112302), we get a palindrome (30531411413503).

The spelling of 20321101301201 in words is "twenty trillion, three hundred twenty-one billion, one hundred one million, three hundred one thousand, two hundred one".