1233304220 has 24 divisors (see below), whose sum is σ = 2595726000. Its totient is φ = 492219392.

The previous prime is 1233304213. The next prime is 1233304243. The reversal of 1233304220 is 224033321.

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 = 1233304192 and 1233304201.

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, 59690 + ... + 77649.

It is an arithmetic number, because the mean of its divisors is an integer number (108155250).

Almost surely, 2^1233304220 is an apocalyptic number.

1233304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233304220 is an abundant number, since it is smaller than the sum of its proper divisors (1362421780).

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

1233304220 is a wasteful number, since it uses less digits than its factorization.

1233304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137797 (or 137795 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1233304220 is about 35118.4313430996. The cubic root of 1233304220 is about 1072.3998366946.

Adding to 1233304220 its reverse (224033321), we get a palindrome (1457337541).

The spelling of 1233304220 in words is "one billion, two hundred thirty-three million, three hundred four thousand, two hundred twenty".