11304412220 has 24 divisors (see below), whose sum is σ = 23762835600. Its totient is φ = 4517275392.

The previous prime is 11304412219. The next prime is 11304412247. The reversal of 11304412220 is 2221440311.

It is a super-3 number, since 3×11304412220³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11304412192 and 11304412201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259910 + ... + 300269.

It is an arithmetic number, because the mean of its divisors is an integer number (990118150).

Almost surely, 2^11304412220 is an apocalyptic number.

11304412220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11304412220 is an abundant number, since it is smaller than the sum of its proper divisors (12458423380).

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

11304412220 is a wasteful number, since it uses less digits than its factorization.

11304412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561197 (or 561195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11304412220 its reverse (2221440311), we get a palindrome (13525852531).

The spelling of 11304412220 in words is "eleven billion, three hundred four million, four hundred twelve thousand, two hundred twenty".