20045543313 has 8 divisors (see below), whose sum is σ = 26728732800. Its totient is φ = 13363024688.

The previous prime is 20045543263. The next prime is 20045543333. The reversal of 20045543313 is 31334554002.

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 20045543313 - 2²⁴ = 20028766097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20045543333) by changing a digit.

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, 93273 + ... + 220886.

It is an arithmetic number, because the mean of its divisors is an integer number (3341091600).

Almost surely, 2^20045543313 is an apocalyptic number.

It is an amenable number.

20045543313 is a deficient number, since it is larger than the sum of its proper divisors (6683189487).

20045543313 is a wasteful number, since it uses less digits than its factorization.

20045543313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335431.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 20045543313 in words is "twenty billion, forty-five million, five hundred forty-three thousand, three hundred thirteen".