20320312334 has 16 divisors (see below), whose sum is σ = 35684451936. Its totient is φ = 8496297600.

The previous prime is 20320312333. The next prime is 20320312361. The reversal of 20320312334 is 43321302302.

20320312334 = T₁₁₇₅₆ + T₁₁₇₅₇ + ... + T₁₂₀₄₂.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320312333) 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 7 ways as a sum of consecutive naturals, for example, 17700047 + ... + 17701194.

It is an arithmetic number, because the mean of its divisors is an integer number (2230278246).

Almost surely, 2^20320312334 is an apocalyptic number.

20320312334 is a deficient number, since it is larger than the sum of its proper divisors (15364139602).

20320312334 is a wasteful number, since it uses less digits than its factorization.

20320312334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35401291.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20320312334 its reverse (43321302302), we get a palindrome (63641614636).

The spelling of 20320312334 in words is "twenty billion, three hundred twenty million, three hundred twelve thousand, three hundred thirty-four".