20340280820267 has 8 divisors (see below), whose sum is σ = 20413956299760. Its totient is φ = 20266678982880.

The previous prime is 20340280820201. The next prime is 20340280820269. The reversal of 20340280820267 is 76202808204302.

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

It is a cyclic number.

It is not a de Polignac number, because 20340280820267 - 2⁸ = 20340280820011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340280820269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17857088 + ... + 18961965.

It is an arithmetic number, because the mean of its divisors is an integer number (2551744537470).

Almost surely, 2^{20340280820267} is an apocalyptic number.

20340280820267 is a deficient number, since it is larger than the sum of its proper divisors (73675479493).

20340280820267 is a wasteful number, since it uses less digits than its factorization.

20340280820267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36821053.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 20340280820267 in words is "twenty trillion, three hundred forty billion, two hundred eighty million, eight hundred twenty thousand, two hundred sixty-seven".