20414205211 has 2 divisors, whose sum is σ = 20414205212. Its totient is φ = 20414205210.

The previous prime is 20414205193. The next prime is 20414205221. The reversal of 20414205211 is 11250241402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20414205211 - 2²⁵ = 20380650779 is a prime.

It is not a weakly prime, because it can be changed into another prime (20414205221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207102605 + 10207102606.

It is an arithmetic number, because the mean of its divisors is an integer number (10207102606).

Almost surely, 2^20414205211 is an apocalyptic number.

20414205211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414205211 is an equidigital number, since it uses as much as digits as its factorization.

20414205211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20414205211 its reverse (11250241402), we get a palindrome (31664446613).

It can be divided in two parts, 20414 and 205211, that added together give a square (225625 = 475²).

The spelling of 20414205211 in words is "twenty billion, four hundred fourteen million, two hundred five thousand, two hundred eleven".