11440032020 has 24 divisors (see below), whose sum is σ = 25437248424. Its totient is φ = 4306835456.

The previous prime is 11440032007. The next prime is 11440032029. The reversal of 11440032020 is 2023004411.

It can be written as a sum of positive squares in 4 ways, for example, as 1852097296 + 9587934724 = 43036^2 + 97918^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11440032020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440032029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16823237 + ... + 16823916.

It is an arithmetic number, because the mean of its divisors is an integer number (1059885351).

Almost surely, 2^11440032020 is an apocalyptic number.

11440032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440032020 is an abundant number, since it is smaller than the sum of its proper divisors (13997216404).

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

11440032020 is a wasteful number, since it uses less digits than its factorization.

11440032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647179 (or 33647177 counting only the distinct ones).

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

Adding to 11440032020 its reverse (2023004411), we get a palindrome (13463036431).

The spelling of 11440032020 in words is "eleven billion, four hundred forty million, thirty-two thousand, twenty".