1220332132 has 6 divisors (see below), whose sum is σ = 2135581238. Its totient is φ = 610166064.

The previous prime is 1220332117. The next prime is 1220332207. The reversal of 1220332132 is 2312330221.

It can be written as a sum of positive squares in only one way, i.e., 662238756 + 558093376 = 25734^2 + 23624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152541513 + ... + 152541520.

Almost surely, 2^1220332132 is an apocalyptic number.

It is an amenable number.

1220332132 is a deficient number, since it is larger than the sum of its proper divisors (915249106).

1220332132 is a wasteful number, since it uses less digits than its factorization.

1220332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305083037 (or 305083035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220332132 is about 34933.2525253518. The cubic root of 1220332132 is about 1068.6266866286.

Adding to 1220332132 its reverse (2312330221), we get a palindrome (3532662353).

The spelling of 1220332132 in words is "one billion, two hundred twenty million, three hundred thirty-two thousand, one hundred thirty-two".