2018483920 has 40 divisors (see below), whose sum is σ = 4696965000. Its totient is φ = 806707200.

The previous prime is 2018483917. The next prime is 2018483923. The reversal of 2018483920 is 293848102.

It is an interprime number because it is at equal distance from previous prime (2018483917) and next prime (2018483923).

It can be written as a sum of positive squares in 4 ways, for example, as 25040016 + 1993443904 = 5004^2 + 44648^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2018483920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018483923) 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 7 ways as a sum of consecutive naturals, for example, 89820 + ... + 110020.

It is an arithmetic number, because the mean of its divisors is an integer number (117424125).

Almost surely, 2^2018483920 is an apocalyptic number.

2018483920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018483920 is an abundant number, since it is smaller than the sum of its proper divisors (2678481080).

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

2018483920 is a wasteful number, since it uses less digits than its factorization.

2018483920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463 (or 21457 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2018483920 is about 44927.5407740063. The cubic root of 2018483920 is about 1263.7905337083.

The spelling of 2018483920 in words is "two billion, eighteen million, four hundred eighty-three thousand, nine hundred twenty".