20340033211 has 16 divisors (see below), whose sum is σ = 21367281600. Its totient is φ = 19344371200.

The previous prime is 20340033157. The next prime is 20340033229. The reversal of 20340033211 is 11233004302.

It is a cyclic number.

It is not a de Polignac number, because 20340033211 - 2³¹ = 18192549563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340033281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219825 + ... + 298333.

It is an arithmetic number, because the mean of its divisors is an integer number (1335455100).

Almost surely, 2^20340033211 is an apocalyptic number.

20340033211 is a deficient number, since it is larger than the sum of its proper divisors (1027248389).

20340033211 is an equidigital number, since it uses as much as digits as its factorization.

20340033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78710.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20340033211 its reverse (11233004302), we get a palindrome (31573037513).

The spelling of 20340033211 in words is "twenty billion, three hundred forty million, thirty-three thousand, two hundred eleven".