20133311204411 has 4 divisors (see below), whose sum is σ = 20137429293000. Its totient is φ = 20129193115824.

The previous prime is 20133311204339. The next prime is 20133311204437. The reversal of 20133311204411 is 11440211333102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20133311204411 - 2³⁸ = 19858433297467 is a prime.

It is a super-2 number, since 2×20133311204411² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133317204411) 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, 2059036961 + ... + 2059046738.

It is an arithmetic number, because the mean of its divisors is an integer number (5034357323250).

Almost surely, 2^{20133311204411} is an apocalyptic number.

20133311204411 is a deficient number, since it is larger than the sum of its proper divisors (4118088589).

20133311204411 is an equidigital number, since it uses as much as digits as its factorization.

20133311204411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118088588.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20133311204411 its reverse (11440211333102), we get a palindrome (31573522537513).

The spelling of 20133311204411 in words is "twenty trillion, one hundred thirty-three billion, three hundred eleven million, two hundred four thousand, four hundred eleven".