20320010323111 has 8 divisors (see below), whose sum is σ = 20664507335040. Its totient is φ = 19975516313208.

The previous prime is 20320010323099. The next prime is 20320010323199. The reversal of 20320010323111 is 11132301002302.

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 20320010323111 - 2³⁵ = 20285650584743 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 (20320010321111) 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, 16070590 + ... + 17288836.

It is an arithmetic number, because the mean of its divisors is an integer number (2583063416880).

Almost surely, 2^{20320010323111} is an apocalyptic number.

20320010323111 is a deficient number, since it is larger than the sum of its proper divisors (344497011929).

20320010323111 is a wasteful number, since it uses less digits than its factorization.

20320010323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501013.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20320010323111 its reverse (11132301002302), we get a palindrome (31452311325413).

The spelling of 20320010323111 in words is "twenty trillion, three hundred twenty billion, ten million, three hundred twenty-three thousand, one hundred eleven".