33930205 has 4 divisors (see below), whose sum is σ = 40716252. Its totient is φ = 27144160.

The previous prime is 33930199. The next prime is 33930227. The reversal of 33930205 is 50203933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50203933 = 13 ⋅3861841.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 6827769 = 5206^2 + 2613^2 .

It is not a de Polignac number, because 33930205 - 2⁷ = 33930077 is a prime.

It is a super-2 number, since 2×33930205² = 2302517622684050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33930205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393016 + ... + 3393025.

It is an arithmetic number, because the mean of its divisors is an integer number (10179063).

Almost surely, 2^33930205 is an apocalyptic number.

It is an amenable number.

33930205 is a deficient number, since it is larger than the sum of its proper divisors (6786047).

33930205 is an equidigital number, since it uses as much as digits as its factorization.

33930205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786046.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 33930205 is about 5824.9639483863. The cubic root of 33930205 is about 323.7393530684.

The spelling of 33930205 in words is "thirty-three million, nine hundred thirty thousand, two hundred five".