20343132011 has 2 divisors, whose sum is σ = 20343132012. Its totient is φ = 20343132010.

The previous prime is 20343132001. The next prime is 20343132037. The reversal of 20343132011 is 11023134302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20343132011 - 2⁶ = 20343131947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20343132001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171566005 + 10171566006.

It is an arithmetic number, because the mean of its divisors is an integer number (10171566006).

Almost surely, 2^20343132011 is an apocalyptic number.

20343132011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20343132011 is an equidigital number, since it uses as much as digits as its factorization.

20343132011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20343132011 its reverse (11023134302), we get a palindrome (31366266313).

The spelling of 20343132011 in words is "twenty billion, three hundred forty-three million, one hundred thirty-two thousand, eleven".