11243022020 has 36 divisors (see below), whose sum is σ = 24265769220. Its totient is φ = 4375651968.

The previous prime is 11243022013. The next prime is 11243022031. The reversal of 11243022020 is 2022034211.

It can be written as a sum of positive squares in 6 ways, for example, as 2977666624 + 8265355396 = 54568^2 + 90914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11243022020.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177935 + ... + 232694.

It is an arithmetic number, because the mean of its divisors is an integer number (674049145).

Almost surely, 2^11243022020 is an apocalyptic number.

11243022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243022020 is an abundant number, since it is smaller than the sum of its proper divisors (13022747200).

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

11243022020 is a wasteful number, since it uses less digits than its factorization.

11243022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410712 (or 410673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 11243022020 its reverse (2022034211), we get a palindrome (13265056231).

The spelling of 11243022020 in words is "eleven billion, two hundred forty-three million, twenty-two thousand, twenty".