20303514005 has 4 divisors (see below), whose sum is σ = 24364216812. Its totient is φ = 16242811200.

The previous prime is 20303513947. The next prime is 20303514013. The reversal of 20303514005 is 50041530302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3205597924 + 17097916081 = 56618^2 + 130759^2 .

It is not a de Polignac number, because 20303514005 - 2⁶ = 20303513941 is a prime.

It is a super-2 number, since 2×20303514005² (a number of 21 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030351396 + ... + 2030351405.

It is an arithmetic number, because the mean of its divisors is an integer number (6091054203).

Almost surely, 2^20303514005 is an apocalyptic number.

It is an amenable number.

20303514005 is a deficient number, since it is larger than the sum of its proper divisors (4060702807).

20303514005 is an equidigital number, since it uses as much as digits as its factorization.

20303514005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060702806.

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 20303514005 in words is "twenty billion, three hundred three million, five hundred fourteen thousand, five".