20453334043603 has 8 divisors (see below), whose sum is σ = 20459943530768. Its totient is φ = 20446724886624.

The previous prime is 20453334043573. The next prime is 20453334043613. The reversal of 20453334043603 is 30634043335402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20453334043603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20453334043613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199215400 + ... + 199318042.

It is an arithmetic number, because the mean of its divisors is an integer number (2557492941346).

Almost surely, 2^{20453334043603} is an apocalyptic number.

20453334043603 is a deficient number, since it is larger than the sum of its proper divisors (6609487165).

20453334043603 is a wasteful number, since it uses less digits than its factorization.

20453334043603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165093.

The product of its (nonzero) digits is 933120, while the sum is 40.

The spelling of 20453334043603 in words is "twenty trillion, four hundred fifty-three billion, three hundred thirty-four million, forty-three thousand, six hundred three".