20084105221535 has 8 divisors (see below), whose sum is σ = 24878375500416. Its totient is φ = 15548984687520.

The previous prime is 20084105221529. The next prime is 20084105221589. The reversal of 20084105221535 is 53512250148002.

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-20084105221535 is a prime.

It is a Duffinian 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, 64787436044 + ... + 64787436353.

It is an arithmetic number, because the mean of its divisors is an integer number (3109796937552).

Almost surely, 2^{20084105221535} is an apocalyptic number.

20084105221535 is a deficient number, since it is larger than the sum of its proper divisors (4794270278881).

20084105221535 is a wasteful number, since it uses less digits than its factorization.

20084105221535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129574872433.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 20084105221535 its reverse (53512250148002), we get a palindrome (73596355369537).

The spelling of 20084105221535 in words is "twenty trillion, eighty-four billion, one hundred five million, two hundred twenty-one thousand, five hundred thirty-five".