20321200200111 has 8 divisors (see below), whose sum is σ = 27755785639344. Its totient is φ = 13217040780480.

The previous prime is 20321200200071. The next prime is 20321200200121. The reversal of 20321200200111 is 11100200212302.

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

It is not a de Polignac number, because 20321200200111 - 2¹⁹ = 20321199675823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321200200121) 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, 82606504756 + ... + 82606505001.

It is an arithmetic number, because the mean of its divisors is an integer number (3469473204918).

Almost surely, 2^{20321200200111} is an apocalyptic number.

20321200200111 is a deficient number, since it is larger than the sum of its proper divisors (7434585439233).

20321200200111 is a wasteful number, since it uses less digits than its factorization.

20321200200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165213009801.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20321200200111 its reverse (11100200212302), we get a palindrome (31421400412413).

The spelling of 20321200200111 in words is "twenty trillion, three hundred twenty-one billion, two hundred million, two hundred thousand, one hundred eleven".