2018202018220 has 24 divisors (see below), whose sum is σ = 4268715066000. Its totient is φ = 801473030592.

The previous prime is 2018202018211. The next prime is 2018202018257. The reversal of 2018202018220 is 228102028102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362983195 + ... + 362988754.

It is an arithmetic number, because the mean of its divisors is an integer number (177863127750).

Almost surely, 2^{2018202018220} is an apocalyptic number.

2018202018220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018202018220 is an abundant number, since it is smaller than the sum of its proper divisors (2250513047780).

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

2018202018220 is a wasteful number, since it uses less digits than its factorization.

2018202018220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725972097 (or 725972095 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 2018202018220 in words is "two trillion, eighteen billion, two hundred two million, eighteen thousand, two hundred twenty".