1220333432 has 16 divisors (see below), whose sum is σ = 2289578400. Its totient is φ = 609779200.

The previous prime is 1220333431. The next prime is 1220333437. The reversal of 1220333432 is 2343330221.

It is a junction number, because it is equal to n+sod(n) for n = 1220333398 and 1220333407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220333431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34832 + ... + 60447.

It is an arithmetic number, because the mean of its divisors is an integer number (143098650).

Almost surely, 2^1220333432 is an apocalyptic number.

It is an amenable number.

1220333432 is a deficient number, since it is larger than the sum of its proper divisors (1069244968).

1220333432 is a wasteful number, since it uses less digits than its factorization.

1220333432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96886 (or 96882 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1220333432 is about 34933.2711322601. The cubic root of 1220333432 is about 1068.6270660921.

Adding to 1220333432 its reverse (2343330221), we get a palindrome (3563663653).

The spelling of 1220333432 in words is "one billion, two hundred twenty million, three hundred thirty-three thousand, four hundred thirty-two".