20330111214 has 128 divisors (see below), whose sum is σ = 52076666880. Its totient is φ = 5758843392.

The previous prime is 20330111213. The next prime is 20330111287. The reversal of 20330111214 is 41211103302.

20330111214 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36499024 + ... + 36499580.

It is an arithmetic number, because the mean of its divisors is an integer number (406848960).

Almost surely, 2^20330111214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330111214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26038333440).

20330111214 is an abundant number, since it is smaller than the sum of its proper divisors (31746555666).

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

20330111214 is a wasteful number, since it uses less digits than its factorization.

20330111214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20330111214 its reverse (41211103302), we get a palindrome (61541214516).

The spelling of 20330111214 in words is "twenty billion, three hundred thirty million, one hundred eleven thousand, two hundred fourteen".