11023332220 has 48 divisors (see below), whose sum is σ = 24390696960. Its totient is φ = 4173263424.

The previous prime is 11023332211. The next prime is 11023332241. The reversal of 11023332220 is 2223332011.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399717 + ... + 426403.

It is an arithmetic number, because the mean of its divisors is an integer number (508139520).

Almost surely, 2^11023332220 is an apocalyptic number.

11023332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11023332220 is an abundant number, since it is smaller than the sum of its proper divisors (13367364740).

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

11023332220 is a wasteful number, since it uses less digits than its factorization.

11023332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802 (or 27800 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11023332220 its reverse (2223332011), we get a palindrome (13246664231).

The spelling of 11023332220 in words is "eleven billion, twenty-three million, three hundred thirty-two thousand, two hundred twenty".