20133032311 has 4 divisors (see below), whose sum is σ = 23009179792. Its totient is φ = 17256884832.

The previous prime is 20133032303. The next prime is 20133032327. The reversal of 20133032311 is 11323033102.

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 20133032311 - 2³ = 20133032303 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 (20133038311) 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, 1438073730 + ... + 1438073743.

It is an arithmetic number, because the mean of its divisors is an integer number (5752294948).

Almost surely, 2^20133032311 is an apocalyptic number.

20133032311 is a deficient number, since it is larger than the sum of its proper divisors (2876147481).

20133032311 is an equidigital number, since it uses as much as digits as its factorization.

20133032311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876147480.

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

Adding to 20133032311 its reverse (11323033102), we get a palindrome (31456065413).

The spelling of 20133032311 in words is "twenty billion, one hundred thirty-three million, thirty-two thousand, three hundred eleven".