20303321133201 has 16 divisors (see below), whose sum is σ = 27166480118208. Its totient is φ = 13487895748800.

The previous prime is 20303321133191. The next prime is 20303321133203. The reversal of 20303321133201 is 10233112330302.

It is not a de Polignac number, because 20303321133201 - 2¹⁹ = 20303320608913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20303321133203) 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 15 ways as a sum of consecutive naturals, for example, 3136270 + ... + 7102311.

It is an arithmetic number, because the mean of its divisors is an integer number (1697905007388).

Almost surely, 2^{20303321133201} is an apocalyptic number.

It is an amenable number.

20303321133201 is a deficient number, since it is larger than the sum of its proper divisors (6863158985007).

20303321133201 is a wasteful number, since it uses less digits than its factorization.

20303321133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240912.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20303321133201 its reverse (10233112330302), we get a palindrome (30536433463503).

The spelling of 20303321133201 in words is "twenty trillion, three hundred three billion, three hundred twenty-one million, one hundred thirty-three thousand, two hundred one".