20363135005 has 8 divisors (see below), whose sum is σ = 24438391992. Its totient is φ = 16288754688.

The previous prime is 20363134999. The next prime is 20363135017. The reversal of 20363135005 is 50053136302.

It can be written as a sum of positive squares in 4 ways, for example, as 91355364 + 20271779641 = 9558^2 + 142379^2 .

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 20363135005 - 2¹⁹ = 20362610717 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 166932 + ... + 261901.

It is an arithmetic number, because the mean of its divisors is an integer number (3054798999).

Almost surely, 2^20363135005 is an apocalyptic number.

It is an amenable number.

20363135005 is a deficient number, since it is larger than the sum of its proper divisors (4075256987).

20363135005 is an equidigital number, since it uses as much as digits as its factorization.

20363135005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438335.

The product of its (nonzero) digits is 8100, while the sum is 28.

The spelling of 20363135005 in words is "twenty billion, three hundred sixty-three million, one hundred thirty-five thousand, five".