1020563464 has 16 divisors (see below), whose sum is σ = 1914087420. Its totient is φ = 510140160.

The previous prime is 1020563459. The next prime is 1020563561. The reversal of 1020563464 is 4643650201.

It can be written as a sum of positive squares in 2 ways, for example, as 979064100 + 41499364 = 31290^2 + 6442^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16924 + ... + 48244.

Almost surely, 2^1020563464 is an apocalyptic number.

It is an amenable number.

1020563464 is a deficient number, since it is larger than the sum of its proper divisors (893523956).

1020563464 is a wasteful number, since it uses less digits than its factorization.

1020563464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35400 (or 35396 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1020563464 is about 31946.2589985119. The cubic root of 1020563464 is about 1006.8080334973.

The spelling of 1020563464 in words is "one billion, twenty million, five hundred sixty-three thousand, four hundred sixty-four".