1220333132 has 12 divisors (see below), whose sum is σ = 2147383056. Its totient is φ = 606795120.

The previous prime is 1220333131. The next prime is 1220333171. The reversal of 1220333132 is 2313330221.

It is not an unprimeable number, because it can be changed into a prime (1220333131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842048 + ... + 843495.

It is an arithmetic number, because the mean of its divisors is an integer number (178948588).

Almost surely, 2^1220333132 is an apocalyptic number.

It is an amenable number.

1220333132 is a deficient number, since it is larger than the sum of its proper divisors (927049924).

1220333132 is a wasteful number, since it uses less digits than its factorization.

1220333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685728 (or 1685726 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1220333132 is about 34933.2668383591. The cubic root of 1220333132 is about 1068.6269785236.

Adding to 1220333132 its reverse (2313330221), we get a palindrome (3533663353).

The spelling of 1220333132 in words is "one billion, two hundred twenty million, three hundred thirty-three thousand, one hundred thirty-two".