20453025635343 has 24 divisors (see below), whose sum is σ = 33765884325888. Its totient is φ = 11686695712272.

The previous prime is 20453025635327. The next prime is 20453025635401. The reversal of 20453025635343 is 34353652035402.

20453025635343 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 3 + 0 + 2 + 5 + 635 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 20453025635343 - 2⁴ = 20453025635327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453025635543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9388471 + ... + 11359992.

It is an arithmetic number, because the mean of its divisors is an integer number (1406911846912).

Almost surely, 2^{20453025635343} is an apocalyptic number.

20453025635343 is a deficient number, since it is larger than the sum of its proper divisors (13312858690545).

20453025635343 is a wasteful number, since it uses less digits than its factorization.

20453025635343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20764123 (or 20764120 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 45.

The spelling of 20453025635343 in words is "twenty trillion, four hundred fifty-three billion, twenty-five million, six hundred thirty-five thousand, three hundred forty-three".