20142344113340 has 12 divisors (see below), whose sum is σ = 42298922638056. Its totient is φ = 8056937645328.

The previous prime is 20142344113327. The next prime is 20142344113453. The reversal of 20142344113340 is 4331144324102.

It is a junction number, because it is equal to n+sod(n) for n = 20142344113297 and 20142344113306.

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 3 ways as a sum of consecutive naturals, for example, 503558602814 + ... + 503558602853.

It is an arithmetic number, because the mean of its divisors is an integer number (3524910219838).

Almost surely, 2^{20142344113340} is an apocalyptic number.

20142344113340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142344113340 is an abundant number, since it is smaller than the sum of its proper divisors (22156578524716).

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

20142344113340 is a wasteful number, since it uses less digits than its factorization.

20142344113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007117205676 (or 1007117205674 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20142344113340 its reverse (4331144324102), we get a palindrome (24473488437442).

The spelling of 20142344113340 in words is "twenty trillion, one hundred forty-two billion, three hundred forty-four million, one hundred thirteen thousand, three hundred forty".