20371566347206 has 8 divisors (see below), whose sum is σ = 30589413898824. Its totient is φ = 10175095047600.

The previous prime is 20371566347191. The next prime is 20371566347207. The reversal of 20371566347206 is 60274366517302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20371566347207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344060620 + ... + 5344064431.

It is an arithmetic number, because the mean of its divisors is an integer number (3823676737353).

Almost surely, 2^{20371566347206} is an apocalyptic number.

20371566347206 is a deficient number, since it is larger than the sum of its proper divisors (10217847551618).

20371566347206 is a wasteful number, since it uses less digits than its factorization.

20371566347206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688126006.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 20371566347206 in words is "twenty trillion, three hundred seventy-one billion, five hundred sixty-six million, three hundred forty-seven thousand, two hundred six".