20013133203001 has 8 divisors (see below), whose sum is σ = 20557230002504. Its totient is φ = 19469204893440.

The previous prime is 20013133202999. The next prime is 20013133203029. The reversal of 20013133203001 is 10030233131002.

It can be written as a sum of positive squares in 4 ways, for example, as 4647046801401 + 15366086401600 = 2155701^2 + 3919960^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013133203001 - 2¹ = 20013133202999 is a prime.

It is a super-2 number, since 2×20013133203001² (a number of 27 digits) contains 22 as substring.

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 20013133203001.

It is not an unprimeable number, because it can be changed into a prime (20013133203061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41881680 + ... + 42356833.

It is an arithmetic number, because the mean of its divisors is an integer number (2569653750313).

Almost surely, 2^{20013133203001} is an apocalyptic number.

It is an amenable number.

20013133203001 is a deficient number, since it is larger than the sum of its proper divisors (544096799503).

20013133203001 is an equidigital number, since it uses as much as digits as its factorization.

20013133203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84244971.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20013133203001 its reverse (10030233131002), we get a palindrome (30043366334003).

The spelling of 20013133203001 in words is "twenty trillion, thirteen billion, one hundred thirty-three million, two hundred three thousand, one".