20511014339 has 2 divisors, whose sum is σ = 20511014340. Its totient is φ = 20511014338.

The previous prime is 20511014323. The next prime is 20511014341. The reversal of 20511014339 is 93341011502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20511014339 - 2⁴ = 20511014323 is a prime.

Together with 20511014341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20511014239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10255507169 + 10255507170.

It is an arithmetic number, because the mean of its divisors is an integer number (10255507170).

Almost surely, 2^20511014339 is an apocalyptic number.

20511014339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20511014339 is an equidigital number, since it uses as much as digits as its factorization.

20511014339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 20511014339 in words is "twenty billion, five hundred eleven million, fourteen thousand, three hundred thirty-nine".