11045020 has 24 divisors (see below), whose sum is σ = 26508384. Its totient is φ = 3786816.

The previous prime is 11044997. The next prime is 11045029. The reversal of 11045020 is 2054011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045029) 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, 39307 + ... + 39586.

It is an arithmetic number, because the mean of its divisors is an integer number (1104516).

Almost surely, 2^11045020 is an apocalyptic number.

11045020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11045020 is an abundant number, since it is smaller than the sum of its proper divisors (15463364).

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

11045020 is a wasteful number, since it uses less digits than its factorization.

11045020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78909 (or 78907 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 11045020 is about 3323.4048805404. The cubic root of 11045020 is about 222.7010008768.

Adding to 11045020 its reverse (2054011), we get a palindrome (13099031).

The spelling of 11045020 in words is "eleven million, forty-five thousand, twenty".