20453095218 has 8 divisors (see below), whose sum is σ = 40906190448. Its totient is φ = 6817698404.

The previous prime is 20453095141. The next prime is 20453095219. The reversal of 20453095218 is 81259035402.

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

20453095218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20453095219) by changing a digit.

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, 1704424596 + ... + 1704424607.

It is an arithmetic number, because the mean of its divisors is an integer number (5113273806).

Almost surely, 2^20453095218 is an apocalyptic number.

20453095218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20453095218 is a wasteful number, since it uses less digits than its factorization.

20453095218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408849208.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 20453095218 in words is "twenty billion, four hundred fifty-three million, ninety-five thousand, two hundred eighteen".