1020442330 has 32 divisors (see below), whose sum is σ = 1852139520. Its totient is φ = 404782080.

The previous prime is 1020442327. The next prime is 1020442363. The reversal of 1020442330 is 332440201.

It is a junction number, because it is equal to n+sod(n) for n = 1020442298 and 1020442307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837882 + ... + 839098.

It is an arithmetic number, because the mean of its divisors is an integer number (57879360).

Almost surely, 2^1020442330 is an apocalyptic number.

1020442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020442330 is a deficient number, since it is larger than the sum of its proper divisors (831697190).

1020442330 is a wasteful number, since it uses less digits than its factorization.

1020442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1020442330 is about 31944.3630395098. The cubic root of 1020442330 is about 1006.7681981468.

Adding to 1020442330 its reverse (332440201), we get a palindrome (1352882531).

The spelling of 1020442330 in words is "one billion, twenty million, four hundred forty-two thousand, three hundred thirty".