1020432442 has 8 divisors (see below), whose sum is σ = 1531082016. Its totient is φ = 510071772.

The previous prime is 1020432409. The next prime is 1020432443. The reversal of 1020432442 is 2442340201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020432443) 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, 63168 + ... + 77659.

It is an arithmetic number, because the mean of its divisors is an integer number (191385252).

Almost surely, 2^1020432442 is an apocalyptic number.

1020432442 is a deficient number, since it is larger than the sum of its proper divisors (510649574).

1020432442 is a wasteful number, since it uses less digits than its factorization.

1020432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144452.

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

The square root of 1020432442 is about 31944.2082700448. The cubic root of 1020432442 is about 1006.7649463034.

Adding to 1020432442 its reverse (2442340201), we get a palindrome (3462772643).

The spelling of 1020432442 in words is "one billion, twenty million, four hundred thirty-two thousand, four hundred forty-two".