803420205 has 32 divisors (see below), whose sum is σ = 1519776000. Its totient is φ = 354611712.

The previous prime is 803420201. The next prime is 803420231. The reversal of 803420205 is 502024308.

It is not a de Polignac number, because 803420205 - 2² = 803420201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803420201) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 128880 + ... + 134969.

It is an arithmetic number, because the mean of its divisors is an integer number (47493000).

Almost surely, 2^803420205 is an apocalyptic number.

It is an amenable number.

803420205 is a deficient number, since it is larger than the sum of its proper divisors (716355795).

803420205 is a wasteful number, since it uses less digits than its factorization.

803420205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263893.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 803420205 is about 28344.6680171069. The cubic root of 803420205 is about 929.6388180078.

The spelling of 803420205 in words is "eight hundred three million, four hundred twenty thousand, two hundred five".