1220424143432 has 64 divisors (see below), whose sum is σ = 2669958910080. Its totient is φ = 517810148352.

The previous prime is 1220424143429. The next prime is 1220424143459. The reversal of 1220424143432 is 2343414240221.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7950548 + ... + 8102595.

It is an arithmetic number, because the mean of its divisors is an integer number (41718107970).

Almost surely, 2^{1220424143432} is an apocalyptic number.

It is an amenable number.

1220424143432 is an abundant number, since it is smaller than the sum of its proper divisors (1449534766648).

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

1220424143432 is a wasteful number, since it uses less digits than its factorization.

1220424143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16053222 (or 16053218 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1220424143432 its reverse (2343414240221), we get a palindrome (3563838383653).

The spelling of 1220424143432 in words is "one trillion, two hundred twenty billion, four hundred twenty-four million, one hundred forty-three thousand, four hundred thirty-two".