20321131201301 has 4 divisors (see below), whose sum is σ = 23224149944352. Its totient is φ = 17418112458252.

The previous prime is 20321131201279. The next prime is 20321131201303. The reversal of 20321131201301 is 10310213112302.

It is a happy number.

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 not a de Polignac number, because 20321131201301 - 2¹⁴ = 20321131184917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321131201303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451509371515 + ... + 1451509371528.

It is an arithmetic number, because the mean of its divisors is an integer number (5806037486088).

Almost surely, 2^{20321131201301} is an apocalyptic number.

It is an amenable number.

20321131201301 is a deficient number, since it is larger than the sum of its proper divisors (2903018743051).

20321131201301 is an equidigital number, since it uses as much as digits as its factorization.

20321131201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903018743050.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20321131201301 its reverse (10310213112302), we get a palindrome (30631344313603).

The spelling of 20321131201301 in words is "twenty trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred one thousand, three hundred one".