1220242432 has 22 divisors (see below), whose sum is σ = 2439295268. Its totient is φ = 610120704.

The previous prime is 1220242411. The next prime is 1220242469. The reversal of 1220242432 is 2342420221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594798 + ... + 596845.

Almost surely, 2^1220242432 is an apocalyptic number.

It is an amenable number.

1220242432 is a deficient number, since it is larger than the sum of its proper divisors (1219052836).

1220242432 is an equidigital number, since it uses as much as digits as its factorization.

1220242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191663 (or 1191645 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1220242432 is about 34931.9686247426. The cubic root of 1220242432 is about 1068.6005030021.

Adding to 1220242432 its reverse (2342420221), we get a palindrome (3562662653).

The spelling of 1220242432 in words is "one billion, two hundred twenty million, two hundred forty-two thousand, four hundred thirty-two".