11049020 has 48 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 4200000.

The previous prime is 11049011. The next prime is 11049023. The reversal of 11049020 is 2094011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11049020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11049023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43895 + ... + 44145.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^11049020 is an apocalyptic number.

11049020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11049020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

11049020 is an abundant number, since it is smaller than the sum of its proper divisors (13336516).

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

11049020 is a wasteful number, since it uses less digits than its factorization.

11049020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11049020 is about 3324.0066185253. The cubic root of 11049020 is about 222.7278816638.

The spelling of 11049020 in words is "eleven million, forty-nine thousand, twenty".