20311320214 has 32 divisors (see below), whose sum is σ = 33119313696. Its totient is φ = 9304442880.

The previous prime is 20311320181. The next prime is 20311320269. The reversal of 20311320214 is 41202311302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20311320191 and 20311320200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621117 + ... + 652999.

It is an arithmetic number, because the mean of its divisors is an integer number (1034978553).

Almost surely, 2^20311320214 is an apocalyptic number.

20311320214 is a deficient number, since it is larger than the sum of its proper divisors (12807993482).

20311320214 is a wasteful number, since it uses less digits than its factorization.

20311320214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400.

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

Adding to 20311320214 its reverse (41202311302), we get a palindrome (61513631516).

The spelling of 20311320214 in words is "twenty billion, three hundred eleven million, three hundred twenty thousand, two hundred fourteen".