20013133211201 has 32 divisors (see below), whose sum is σ = 21797056512000. Its totient is φ = 18265635432000.

The previous prime is 20013133211189. The next prime is 20013133211219. The reversal of 20013133211201 is 10211233131002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013133211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013133211231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285023840 + ... + 285094046.

It is an arithmetic number, because the mean of its divisors is an integer number (681158016000).

Almost surely, 2^{20013133211201} is an apocalyptic number.

It is an amenable number.

20013133211201 is a deficient number, since it is larger than the sum of its proper divisors (1783923300799).

20013133211201 is a wasteful number, since it uses less digits than its factorization.

20013133211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71109.

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

Adding to 20013133211201 its reverse (10211233131002), we get a palindrome (30224366342203).

The spelling of 20013133211201 in words is "twenty trillion, thirteen billion, one hundred thirty-three million, two hundred eleven thousand, two hundred one".