20350122442665 has 8 divisors (see below), whose sum is σ = 32560195908288. Its totient is φ = 10853398636080.

The previous prime is 20350122442631. The next prime is 20350122442673. The reversal of 20350122442665 is 56624422105302.

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

It is not a de Polignac number, because 20350122442665 - 2⁸ = 20350122442409 is a prime.

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, 678337414741 + ... + 678337414770.

It is an arithmetic number, because the mean of its divisors is an integer number (4070024488536).

Almost surely, 2^{20350122442665} is an apocalyptic number.

It is an amenable number.

20350122442665 is a deficient number, since it is larger than the sum of its proper divisors (12210073465623).

20350122442665 is a wasteful number, since it uses less digits than its factorization.

20350122442665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356674829519.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 20350122442665 its reverse (56624422105302), we get a palindrome (76974544547967).

The spelling of 20350122442665 in words is "twenty trillion, three hundred fifty billion, one hundred twenty-two million, four hundred forty-two thousand, six hundred sixty-five".