11023020 has 96 divisors (see below), whose sum is σ = 34776000. Its totient is φ = 2898432.

The previous prime is 11023009. The next prime is 11023027. The reversal of 11023020 is 2032011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11022993 and 11023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73906 + ... + 74054.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

Almost surely, 2^11023020 is an apocalyptic number.

11023020 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 11023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17388000).

11023020 is an abundant number, since it is smaller than the sum of its proper divisors (23752980).

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

11023020 is a wasteful number, since it uses less digits than its factorization.

11023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11023020 is about 3320.0933721810. The cubic root of 11023020 is about 222.5530404207.

Adding to 11023020 its reverse (2032011), we get a palindrome (13055031).

The spelling of 11023020 in words is "eleven million, twenty-three thousand, twenty".