20001340344395 has 8 divisors (see below), whose sum is σ = 24017924947200. Its totient is φ = 15990194586240.

The previous prime is 20001340344383. The next prime is 20001340344473. The reversal of 20001340344395 is 59344304310002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20001340344395 is a prime.

It is an unprimeable number.

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, 1359703070 + ... + 1359717779.

It is an arithmetic number, because the mean of its divisors is an integer number (3002240618400).

Almost surely, 2^{20001340344395} is an apocalyptic number.

20001340344395 is a deficient number, since it is larger than the sum of its proper divisors (4016584602805).

20001340344395 is a wasteful number, since it uses less digits than its factorization.

20001340344395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719422325.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 20001340344395 its reverse (59344304310002), we get a palindrome (79345644654397).

The spelling of 20001340344395 in words is "twenty trillion, one billion, three hundred forty million, three hundred forty-four thousand, three hundred ninety-five".