218885024111020 has 96 divisors (see below), whose sum is σ = 492621107142528. Its totient is φ = 81481547169792.

The previous prime is 218885024111011. The next prime is 218885024111021. The reversal of 218885024111020 is 20111420588812.

It is not an unprimeable number, because it can be changed into a prime (218885024111021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 667581762 + ... + 667909558.

It is an arithmetic number, because the mean of its divisors is an integer number (5131469866068).

Almost surely, 2^{218885024111020} is an apocalyptic number.

218885024111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218885024111020 is an abundant number, since it is smaller than the sum of its proper divisors (273736083031508).

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

218885024111020 is a wasteful number, since it uses less digits than its factorization.

218885024111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367099 (or 367097 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 43.

Adding to 218885024111020 its reverse (20111420588812), we get a palindrome (238996444699832).

The spelling of 218885024111020 in words is "two hundred eighteen trillion, eight hundred eighty-five billion, twenty-four million, one hundred eleven thousand, twenty".