20344562140062 has 8 divisors (see below), whose sum is σ = 40689124280136. Its totient is φ = 6781520713352.

The previous prime is 20344562139971. The next prime is 20344562140093. The reversal of 20344562140062 is 26004126544302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20344562140062 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20344562140062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695380178333 + ... + 1695380178344.

It is an arithmetic number, because the mean of its divisors is an integer number (5086140535017).

Almost surely, 2^{20344562140062} is an apocalyptic number.

20344562140062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20344562140062 is a wasteful number, since it uses less digits than its factorization.

20344562140062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390760356682.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 20344562140062 its reverse (26004126544302), we get a palindrome (46348688684364).

The spelling of 20344562140062 in words is "twenty trillion, three hundred forty-four billion, five hundred sixty-two million, one hundred forty thousand, sixty-two".