20321321672214 has 96 divisors (see below), whose sum is σ = 47437958430720. Its totient is φ = 6266269646784.

The previous prime is 20321321672209. The next prime is 20321321672221. The reversal of 20321321672214 is 41227612312302.

20321321672214 is a `hidden beast` number, since 2 + 0 + 3 + 213 + 216 + 7 + 221 + 4 = 666.

It is a super-2 number, since 2×20321321672214² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52941547 + ... + 53324009.

It is an arithmetic number, because the mean of its divisors is an integer number (494145400320).

Almost surely, 2^{20321321672214} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20321321672214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23718979215360).

20321321672214 is an abundant number, since it is smaller than the sum of its proper divisors (27116636758506).

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

20321321672214 is a wasteful number, since it uses less digits than its factorization.

20321321672214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386146 (or 386143 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 20321321672214 its reverse (41227612312302), we get a palindrome (61548933984516).

The spelling of 20321321672214 in words is "twenty trillion, three hundred twenty-one billion, three hundred twenty-one million, six hundred seventy-two thousand, two hundred fourteen".