803870020356 has 24 divisors (see below), whose sum is σ = 2019981077184. Its totient is φ = 247344621600.

The previous prime is 803870020337. The next prime is 803870020361. The reversal of 803870020356 is 653020078308.

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, 2576506320 + ... + 2576506631.

It is an arithmetic number, because the mean of its divisors is an integer number (84165878216).

Almost surely, 2^803870020356 is an apocalyptic number.

It is an amenable number.

803870020356 is an abundant number, since it is smaller than the sum of its proper divisors (1216111056828).

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

803870020356 is a wasteful number, since it uses less digits than its factorization.

803870020356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153012971 (or 5153012969 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 803870020356 in words is "eight hundred three billion, eight hundred seventy million, twenty thousand, three hundred fifty-six".