20301321223133 has 4 divisors (see below), whose sum is σ = 20366598783648. Its totient is φ = 20236043662620.

The previous prime is 20301321223031. The next prime is 20301321223187. The reversal of 20301321223133 is 33132212310302.

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 20301321223133 - 2¹² = 20301321219037 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 (20301321223633) 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, 32638779791 + ... + 32638780412.

It is an arithmetic number, because the mean of its divisors is an integer number (5091649695912).

Almost surely, 2^{20301321223133} is an apocalyptic number.

It is an amenable number.

20301321223133 is a deficient number, since it is larger than the sum of its proper divisors (65277560515).

20301321223133 is an equidigital number, since it uses as much as digits as its factorization.

20301321223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65277560514.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20301321223133 its reverse (33132212310302), we get a palindrome (53433533533435).

The spelling of 20301321223133 in words is "twenty trillion, three hundred one billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-three".