1020342442 has 16 divisors (see below), whose sum is σ = 1789837632. Its totient is φ = 427119840.

The previous prime is 1020342439. The next prime is 1020342457. The reversal of 1020342442 is 2442430201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846859 + ... + 848062.

It is an arithmetic number, because the mean of its divisors is an integer number (111864852).

Almost surely, 2^1020342442 is an apocalyptic number.

1020342442 is a deficient number, since it is larger than the sum of its proper divisors (769495190).

1020342442 is a wasteful number, since it uses less digits than its factorization.

1020342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694973.

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

The square root of 1020342442 is about 31942.7995329151. The cubic root of 1020342442 is about 1006.7353472480.

Adding to 1020342442 its reverse (2442430201), we get a palindrome (3462772643).

The spelling of 1020342442 in words is "one billion, twenty million, three hundred forty-two thousand, four hundred forty-two".