20132011 has 2 divisors, whose sum is σ = 20132012. Its totient is φ = 20132010.

The previous prime is 20132009. The next prime is 20132053. The reversal of 20132011 is 11023102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132011 - 2¹ = 20132009 is a prime.

Together with 20132009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20132081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066005 + 10066006.

It is an arithmetic number, because the mean of its divisors is an integer number (10066006).

Almost surely, 2^20132011 is an apocalyptic number.

20132011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132011 is an equidigital number, since it uses as much as digits as its factorization.

20132011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 20132011 is about 4486.8709586972. The cubic root of 20132011 is about 272.0376740997.

Adding to 20132011 its reverse (11023102), we get a palindrome (31155113).

The spelling of 20132011 in words is "twenty million, one hundred thirty-two thousand, eleven".