2018323420 has 12 divisors (see below), whose sum is σ = 4238479224. Its totient is φ = 807329360.

The previous prime is 2018323403. The next prime is 2018323427. The reversal of 2018323420 is 243238102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018323427) 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, 50458066 + ... + 50458105.

It is an arithmetic number, because the mean of its divisors is an integer number (353206602).

Almost surely, 2^2018323420 is an apocalyptic number.

2018323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018323420 is an abundant number, since it is smaller than the sum of its proper divisors (2220155804).

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

2018323420 is a wasteful number, since it uses less digits than its factorization.

2018323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100916180 (or 100916178 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2018323420 is about 44925.7545290004. The cubic root of 2018323420 is about 1263.7570359999.

The spelling of 2018323420 in words is "two billion, eighteen million, three hundred twenty-three thousand, four hundred twenty".