11024321220 has 72 divisors (see below), whose sum is σ = 36480487680. Its totient is φ = 2672562240.

The previous prime is 11024321207. The next prime is 11024321239. The reversal of 11024321220 is 2212342011.

It is a happy number.

11024321220 is a `hidden beast` number, since 1 + 10 + 2 + 432 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11024321193 and 11024321202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2781940 + ... + 2785899.

It is an arithmetic number, because the mean of its divisors is an integer number (506673440).

Almost surely, 2^11024321220 is an apocalyptic number.

11024321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11024321220 is an abundant number, since it is smaller than the sum of its proper divisors (25456166460).

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

11024321220 is a wasteful number, since it uses less digits than its factorization.

11024321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567865 (or 5567860 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11024321220 its reverse (2212342011), we get a palindrome (13236663231).

The spelling of 11024321220 in words is "eleven billion, twenty-four million, three hundred twenty-one thousand, two hundred twenty".