11023020032 has 52 divisors (see below), whose sum is σ = 22417456440. Its totient is φ = 5417975808.

The previous prime is 11023020023. The next prime is 11023020037. The reversal of 11023020032 is 23002032011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11023019989 and 11023020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218858 + ... + 264470.

Almost surely, 2^11023020032 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 11023020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11208728220).

11023020032 is an abundant number, since it is smaller than the sum of its proper divisors (11394436408).

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

11023020032 is an frugal number, since it uses more digits than its factorization.

11023020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45696 (or 45674 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 11023020032 its reverse (23002032011), we get a palindrome (34025052043).

The spelling of 11023020032 in words is "eleven billion, twenty-three million, twenty thousand, thirty-two".