11004042020 has 24 divisors (see below), whose sum is σ = 23162122368. Its totient is φ = 4391400800.

The previous prime is 11004041981. The next prime is 11004042031. The reversal of 11004042020 is 2024040011.

11004042020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11004041986 and 11004042004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629666 + ... + 646905.

It is an arithmetic number, because the mean of its divisors is an integer number (965088432).

Almost surely, 2^11004042020 is an apocalyptic number.

11004042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11004042020 is an abundant number, since it is smaller than the sum of its proper divisors (12158080348).

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

11004042020 is a wasteful number, since it uses less digits than its factorization.

11004042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277011 (or 1277009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11004042020 its reverse (2024040011), we get a palindrome (13028082031).

The spelling of 11004042020 in words is "eleven billion, four million, forty-two thousand, twenty".