11010020 has 24 divisors (see below), whose sum is σ = 26424384. Its totient is φ = 3774816.

The previous prime is 11010019. The next prime is 11010023. The reversal of 11010020 is 2001011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 11009986 and 11010013.

It is not an unprimeable number, because it can be changed into a prime (11010023) by changing a digit.

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, 39182 + ... + 39461.

It is an arithmetic number, because the mean of its divisors is an integer number (1101016).

Almost surely, 2^11010020 is an apocalyptic number.

11010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010020 is an abundant number, since it is smaller than the sum of its proper divisors (15414364).

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

11010020 is a wasteful number, since it uses less digits than its factorization.

11010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78659 (or 78657 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 11010020 is about 3318.1350183499. The cubic root of 11010020 is about 222.4655166861.

Adding to 11010020 its reverse (2001011), we get a palindrome (13011031).

Subtracting from 11010020 its reverse (2001011), we obtain a palindrome (9009009).

The spelling of 11010020 in words is "eleven million, ten thousand, twenty".