20589343711 has 16 divisors (see below), whose sum is σ = 22826707200. Its totient is φ = 18483208128.

The previous prime is 20589343703. The next prime is 20589343717. The reversal of 20589343711 is 11734398502.

It is a cyclic number.

It is not a de Polignac number, because 20589343711 - 2³ = 20589343703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20589343717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173406 + ... + 266923.

It is an arithmetic number, because the mean of its divisors is an integer number (1426669200).

Almost surely, 2^20589343711 is an apocalyptic number.

20589343711 is a deficient number, since it is larger than the sum of its proper divisors (2237363489).

20589343711 is a wasteful number, since it uses less digits than its factorization.

20589343711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440478.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 20589343711 in words is "twenty billion, five hundred eighty-nine million, three hundred forty-three thousand, seven hundred eleven".