20312140335 has 16 divisors (see below), whose sum is σ = 33050263680. Its totient is φ = 10649528480.

The previous prime is 20312140333. The next prime is 20312140339. The reversal of 20312140335 is 53304121302.

It is not a de Polignac number, because 20312140335 - 2¹ = 20312140333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312140333) 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 15 ways as a sum of consecutive naturals, for example, 11474901 + ... + 11476670.

It is an arithmetic number, because the mean of its divisors is an integer number (2065641480).

Almost surely, 2^20312140335 is an apocalyptic number.

20312140335 is a deficient number, since it is larger than the sum of its proper divisors (12738123345).

20312140335 is a wasteful number, since it uses less digits than its factorization.

20312140335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22951638.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20312140335 its reverse (53304121302), we get a palindrome (73616261637).

The spelling of 20312140335 in words is "twenty billion, three hundred twelve million, one hundred forty thousand, three hundred thirty-five".