2018430220 has 48 divisors (see below), whose sum is σ = 4329160416. Its totient is φ = 790272000.

The previous prime is 2018430163. The next prime is 2018430221. The reversal of 2018430220 is 220348102.

It is a junction number, because it is equal to n+sod(n) for n = 2018430191 and 2018430200.

It is not an unprimeable number, because it can be changed into a prime (2018430221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253500 + ... + 261340.

It is an arithmetic number, because the mean of its divisors is an integer number (90190842).

Almost surely, 2^2018430220 is an apocalyptic number.

2018430220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018430220 is an abundant number, since it is smaller than the sum of its proper divisors (2310730196).

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

2018430220 is a wasteful number, since it uses less digits than its factorization.

2018430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8120 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2018430220 is about 44926.9431410596. The cubic root of 2018430220 is about 1263.7793262615.

Adding to 2018430220 its reverse (220348102), we get a palindrome (2238778322).

The spelling of 2018430220 in words is "two billion, eighteen million, four hundred thirty thousand, two hundred twenty".