20369458211 has 2 divisors, whose sum is σ = 20369458212. Its totient is φ = 20369458210.

The previous prime is 20369458181. The next prime is 20369458247. The reversal of 20369458211 is 11285496302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20369458211 is a prime.

It is not a weakly prime, because it can be changed into another prime (20369458271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10184729105 + 10184729106.

It is an arithmetic number, because the mean of its divisors is an integer number (10184729106).

Almost surely, 2^20369458211 is an apocalyptic number.

20369458211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20369458211 is an equidigital number, since it uses as much as digits as its factorization.

20369458211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 20369458211 in words is "twenty billion, three hundred sixty-nine million, four hundred fifty-eight thousand, two hundred eleven".