20033103011311 has 32 divisors (see below), whose sum is σ = 22054349979648. Its totient is φ = 18084714842880.

The previous prime is 20033103011293. The next prime is 20033103011359. The reversal of 20033103011311 is 11311030133002.

It is a cyclic number.

It is not a de Polignac number, because 20033103011311 - 2⁵ = 20033103011279 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 (20033103011381) 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, 800255251 + ... + 800280283.

It is an arithmetic number, because the mean of its divisors is an integer number (689198436864).

Almost surely, 2^{20033103011311} is an apocalyptic number.

20033103011311 is a deficient number, since it is larger than the sum of its proper divisors (2021246968337).

20033103011311 is a wasteful number, since it uses less digits than its factorization.

20033103011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32071.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 20033103011311 its reverse (11311030133002), we get a palindrome (31344133144313).

The spelling of 20033103011311 in words is "twenty trillion, thirty-three billion, one hundred three million, eleven thousand, three hundred eleven".