20833314911 has 2 divisors, whose sum is σ = 20833314912. Its totient is φ = 20833314910.

The previous prime is 20833314881. The next prime is 20833314917. The reversal of 20833314911 is 11941333802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20833314911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20833314917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10416657455 + 10416657456.

It is an arithmetic number, because the mean of its divisors is an integer number (10416657456).

Almost surely, 2^20833314911 is an apocalyptic number.

20833314911 is a deficient number, since it is larger than the sum of its proper divisors (1).

20833314911 is an equidigital number, since it uses as much as digits as its factorization.

20833314911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20833314911 in words is "twenty billion, eight hundred thirty-three million, three hundred fourteen thousand, nine hundred eleven".