20140223311 has 12 divisors (see below), whose sum is σ = 22560671880. Its totient is φ = 17949902880.

The previous prime is 20140223297. The next prime is 20140223329. The reversal of 20140223311 is 11332204102.

It is a happy number.

It is not a de Polignac number, because 20140223311 - 2³¹ = 17992739663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140223351) 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 11 ways as a sum of consecutive naturals, for example, 2049805 + ... + 2059606.

It is an arithmetic number, because the mean of its divisors is an integer number (1880055990).

Almost surely, 2^20140223311 is an apocalyptic number.

20140223311 is a deficient number, since it is larger than the sum of its proper divisors (2420448569).

20140223311 is a wasteful number, since it uses less digits than its factorization.

20140223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109466 (or 4109453 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20140223311 its reverse (11332204102), we get a palindrome (31472427413).

The spelling of 20140223311 in words is "twenty billion, one hundred forty million, two hundred twenty-three thousand, three hundred eleven".