2018200220 has 24 divisors (see below), whose sum is σ = 4487528304. Its totient is φ = 759792896.

The previous prime is 2018200211. The next prime is 2018200229. The reversal of 2018200220 is 220028102.

It is an interprime number because it is at equal distance from previous prime (2018200211) and next prime (2018200229).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018200229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967602 + ... + 2968281.

It is an arithmetic number, because the mean of its divisors is an integer number (186980346).

Almost surely, 2^2018200220 is an apocalyptic number.

2018200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018200220 is an abundant number, since it is smaller than the sum of its proper divisors (2469328084).

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

2018200220 is a wasteful number, since it uses less digits than its factorization.

2018200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935909 (or 5935907 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2018200220 is about 44924.3833569254. The cubic root of 2018200220 is about 1263.7313219125.

Adding to 2018200220 its reverse (220028102), we get a palindrome (2238228322).

The spelling of 2018200220 in words is "two billion, eighteen million, two hundred thousand, two hundred twenty".