1063804020 has 48 divisors (see below), whose sum is σ = 3059161728. Its totient is φ = 276013440.

The previous prime is 1063804009. The next prime is 1063804033. The reversal of 1063804020 is 204083601.

It is a happy number.

It is a super-2 number, since 2×1063804020² = 2263357985936320800, which contains 22 as substring.

It is a congruent 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, 237376 + ... + 241815.

It is an arithmetic number, because the mean of its divisors is an integer number (63732536).

Almost surely, 2^1063804020 is an apocalyptic number.

1063804020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063804020 is an abundant number, since it is smaller than the sum of its proper divisors (1995357708).

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

1063804020 is a wasteful number, since it uses less digits than its factorization.

1063804020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479240 (or 479238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1063804020 is about 32616.0086460621. The cubic root of 1063804020 is about 1020.8310604901.

Adding to 1063804020 its reverse (204083601), we get a palindrome (1267887621).

The spelling of 1063804020 in words is "one billion, sixty-three million, eight hundred four thousand, twenty".