20321200200112 has 20 divisors (see below), whose sum is σ = 44996943300496. Its totient is φ = 8709085800000.

The previous prime is 20321200200071. The next prime is 20321200200121. The reversal of 20321200200112 is 21100200212302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90719643639 + ... + 90719643862.

Almost surely, 2^{20321200200112} is an apocalyptic number.

It is an amenable number.

20321200200112 is an abundant number, since it is smaller than the sum of its proper divisors (24675743100384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321200200112 is a wasteful number, since it uses less digits than its factorization.

20321200200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181439287516 (or 181439287510 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20321200200112 its reverse (21100200212302), we get a palindrome (41421400412414).

The spelling of 20321200200112 in words is "twenty trillion, three hundred twenty-one billion, two hundred million, two hundred thousand, one hundred twelve".