11020020032 has 84 divisors (see below), whose sum is σ = 25490545920. Its totient is φ = 4713133824.

The previous prime is 11020020019. The next prime is 11020020043. The reversal of 11020020032 is 23002002011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11020019995 and 11020020022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1636769 + ... + 1643487.

It is an arithmetic number, because the mean of its divisors is an integer number (303458880).

Almost surely, 2^11020020032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12745272960).

11020020032 is an abundant number, since it is smaller than the sum of its proper divisors (14470525888).

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

11020020032 is an equidigital number, since it uses as much as digits as its factorization.

11020020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268 (or 7251 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 11020020032 its reverse (23002002011), we get a palindrome (34022022043).

The spelling of 11020020032 in words is "eleven billion, twenty million, twenty thousand, thirty-two".