803564020 has 48 divisors (see below), whose sum is σ = 1990775808. Its totient is φ = 266618880.

The previous prime is 803563997. The next prime is 803564033. The reversal of 803564020 is 20465308.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 803564020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88237 + ... + 96916.

It is an arithmetic number, because the mean of its divisors is an integer number (41474496).

Almost surely, 2^803564020 is an apocalyptic number.

It is an amenable number.

803564020 is an abundant number, since it is smaller than the sum of its proper divisors (1187211788).

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

803564020 is a wasteful number, since it uses less digits than its factorization.

803564020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185200 (or 185198 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 803564020 is about 28347.2048004737. The cubic root of 803564020 is about 929.6942842214.

The spelling of 803564020 in words is "eight hundred three million, five hundred sixty-four thousand, twenty".