201629205 has 12 divisors (see below), whose sum is σ = 349490700. Its totient is φ = 107535552.

The previous prime is 201629191. The next prime is 201629209. The reversal of 201629205 is 502926102.

It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 179104689 = 4746^2 + 13383^2 .

It is not a de Polignac number, because 201629205 - 2⁵ = 201629173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201629209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240280 + ... + 2240369.

It is an arithmetic number, because the mean of its divisors is an integer number (29124225).

Almost surely, 2^201629205 is an apocalyptic number.

It is an amenable number.

201629205 is a deficient number, since it is larger than the sum of its proper divisors (147861495).

201629205 is a wasteful number, since it uses less digits than its factorization.

201629205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480660 (or 4480657 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 201629205 is about 14199.6198892787. The cubic root of 201629205 is about 586.3871966868.

The spelling of 201629205 in words is "two hundred one million, six hundred twenty-nine thousand, two hundred five".