20140320213111 has 32 divisors (see below), whose sum is σ = 31449404625408. Its totient is φ = 11224175938560.

The previous prime is 20140320213109. The next prime is 20140320213149. The reversal of 20140320213111 is 11131202304102.

It is not a de Polignac number, because 20140320213111 - 2¹ = 20140320213109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140320213151) 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 31 ways as a sum of consecutive naturals, for example, 1542925 + ... + 6531558.

It is an arithmetic number, because the mean of its divisors is an integer number (982793894544).

Almost surely, 2^{20140320213111} is an apocalyptic number.

20140320213111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20140320213111 is a deficient number, since it is larger than the sum of its proper divisors (11309084412297).

20140320213111 is a wasteful number, since it uses less digits than its factorization.

20140320213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8077431.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20140320213111 its reverse (11131202304102), we get a palindrome (31271522517213).

The spelling of 20140320213111 in words is "twenty trillion, one hundred forty billion, three hundred twenty million, two hundred thirteen thousand, one hundred eleven".