20453003056303 has 4 divisors (see below), whose sum is σ = 20453028849360. Its totient is φ = 20452977263248.

The previous prime is 20453003056259. The next prime is 20453003056333. The reversal of 20453003056303 is 30365030035402.

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

It is a cyclic number.

It is not a de Polignac number, because 20453003056303 - 2⁹ = 20453003055791 is a prime.

It is a super-2 number, since 2×20453003056303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453003056333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11668075 + ... + 13306012.

It is an arithmetic number, because the mean of its divisors is an integer number (5113257212340).

Almost surely, 2^{20453003056303} is an apocalyptic number.

20453003056303 is a deficient number, since it is larger than the sum of its proper divisors (25793057).

20453003056303 is an equidigital number, since it uses as much as digits as its factorization.

20453003056303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25793056.

The product of its (nonzero) digits is 97200, while the sum is 34.

The spelling of 20453003056303 in words is "twenty trillion, four hundred fifty-three billion, three million, fifty-six thousand, three hundred three".