11000020020018 has 16 divisors (see below), whose sum is σ = 22247231502240. Its totient is φ = 3625474762976.

The previous prime is 11000020019981. The next prime is 11000020020019. The reversal of 11000020020018 is 81002002000011.

It is a super-2 number, since 2×11000020020018² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11000020019979 and 11000020020006.

It is not an unprimeable number, because it can be changed into a prime (11000020020019) 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, 10299643680 + ... + 10299644747.

It is an arithmetic number, because the mean of its divisors is an integer number (1390451968890).

Almost surely, 2^{11000020020018} is an apocalyptic number.

11000020020018 is an abundant number, since it is smaller than the sum of its proper divisors (11247211482222).

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

11000020020018 is a wasteful number, since it uses less digits than its factorization.

11000020020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20599288521.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11000020020018 its reverse (81002002000011), we get a palindrome (92002022020029).

The spelling of 11000020020018 in words is "eleven trillion, twenty million, twenty thousand, eighteen".