1083478020 has 48 divisors (see below), whose sum is σ = 3165644160. Its totient is φ = 276365056.

The previous prime is 1083477979. The next prime is 1083478031. The reversal of 1083478020 is 208743801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391185 + ... + 393944.

It is an arithmetic number, because the mean of its divisors is an integer number (65950920).

Almost surely, 2^1083478020 is an apocalyptic number.

1083478020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1083478020 is an abundant number, since it is smaller than the sum of its proper divisors (2082166140).

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

1083478020 is a wasteful number, since it uses less digits than its factorization.

1083478020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785164 (or 785162 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1083478020 is about 32916.2273050846. The cubic root of 1083478020 is about 1027.0857453580.

The spelling of 1083478020 in words is "one billion, eighty-three million, four hundred seventy-eight thousand, twenty".