11009102020 has 24 divisors (see below), whose sum is σ = 26421845184. Its totient is φ = 3774549216.

The previous prime is 11009101997. The next prime is 11009102023. The reversal of 11009102020 is 2020190011.

It is a junction number, because it is equal to n+sod(n) for n = 11009101985 and 11009102003.

It is not an unprimeable number, because it can be changed into a prime (11009102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39318082 + ... + 39318361.

It is an arithmetic number, because the mean of its divisors is an integer number (1100910216).

Almost surely, 2^11009102020 is an apocalyptic number.

11009102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11009102020 is an abundant number, since it is smaller than the sum of its proper divisors (15412743164).

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

11009102020 is a wasteful number, since it uses less digits than its factorization.

11009102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78636459 (or 78636457 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11009102020 its reverse (2020190011), we get a palindrome (13029292031).

The spelling of 11009102020 in words is "eleven billion, nine million, one hundred two thousand, twenty".