1013563020 has 24 divisors (see below), whose sum is σ = 2837976624. Its totient is φ = 270283456.

The previous prime is 1013563013. The next prime is 1013563051. The reversal of 1013563020 is 203653101.

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 7 ways as a sum of consecutive naturals, for example, 8446299 + ... + 8446418.

It is an arithmetic number, because the mean of its divisors is an integer number (118249026).

Almost surely, 2^1013563020 is an apocalyptic number.

1013563020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013563020 is an abundant number, since it is smaller than the sum of its proper divisors (1824413604).

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

1013563020 is a wasteful number, since it uses less digits than its factorization.

1013563020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892729 (or 16892727 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1013563020 is about 31836.5045191836. The cubic root of 1013563020 is about 1004.5007197984.

The spelling of 1013563020 in words is "one billion, thirteen million, five hundred sixty-three thousand, twenty".