20321250301001 has 16 divisors (see below), whose sum is σ = 22067951640000. Its totient is φ = 18601246168128.

The previous prime is 20321250300991. The next prime is 20321250301021. The reversal of 20321250301001 is 10010305212302.

It is a de Polignac number, because none of the positive numbers 2^k-20321250301001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321250301021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8958011 + ... + 10994928.

It is an arithmetic number, because the mean of its divisors is an integer number (1379246977500).

Almost surely, 2^{20321250301001} is an apocalyptic number.

It is an amenable number.

20321250301001 is a deficient number, since it is larger than the sum of its proper divisors (1746701338999).

20321250301001 is a wasteful number, since it uses less digits than its factorization.

20321250301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953608.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20321250301001 its reverse (10010305212302), we get a palindrome (30331555513303).

The spelling of 20321250301001 in words is "twenty trillion, three hundred twenty-one billion, two hundred fifty million, three hundred one thousand, one".