20340344130342 has 16 divisors (see below), whose sum is σ = 41287862713152. Its totient is φ = 6678918968040.

The previous prime is 20340344130331. The next prime is 20340344130433. The reversal of 20340344130342 is 24303144304302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25298935084 + ... + 25298935887.

It is an arithmetic number, because the mean of its divisors is an integer number (2580491419572).

Almost surely, 2^{20340344130342} is an apocalyptic number.

20340344130342 is an abundant number, since it is smaller than the sum of its proper divisors (20947518582810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20340344130342 is a wasteful number, since it uses less digits than its factorization.

20340344130342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50597871043.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 20340344130342 its reverse (24303144304302), we get a palindrome (44643488434644).

The spelling of 20340344130342 in words is "twenty trillion, three hundred forty billion, three hundred forty-four million, one hundred thirty thousand, three hundred forty-two".