34020205 has 16 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 26350272.

The previous prime is 34020193. The next prime is 34020209. The reversal of 34020205 is 50202043.

34020205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34020205 - 2²¹ = 31923053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56496 + ... + 57094.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^34020205 is an apocalyptic number.

It is an amenable number.

34020205 is a deficient number, since it is larger than the sum of its proper divisors (8114195).

34020205 is a wasteful number, since it uses less digits than its factorization.

34020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 34020205 is about 5832.6842019777. The cubic root of 34020205 is about 324.0253403185.

Adding to 34020205 its reverse (50202043), we get a palindrome (84222248).

It can be divided in two parts, 34020 and 205, that added together give a square (34225 = 185²).

The spelling of 34020205 in words is "thirty-four million, twenty thousand, two hundred five".