20235250014505 has 8 divisors (see below), whose sum is σ = 24740456621832. Its totient is φ = 15882762275328.

The previous prime is 20235250014461. The next prime is 20235250014523. The reversal of 20235250014505 is 50541005253202.

It can be written as a sum of positive squares in 4 ways, for example, as 9760007058201 + 10475242956304 = 3124101^2 + 3236548^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20235250014505 - 2¹⁹ = 20235249490217 is a prime.

It is a Duffinian 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, 38179716744 + ... + 38179717273.

It is an arithmetic number, because the mean of its divisors is an integer number (3092557077729).

Almost surely, 2^{20235250014505} is an apocalyptic number.

It is an amenable number.

20235250014505 is a deficient number, since it is larger than the sum of its proper divisors (4505206607327).

20235250014505 is an equidigital number, since it uses as much as digits as its factorization.

20235250014505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76359434075.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 20235250014505 its reverse (50541005253202), we get a palindrome (70776255267707).

The spelling of 20235250014505 in words is "twenty trillion, two hundred thirty-five billion, two hundred fifty million, fourteen thousand, five hundred five".