205022701 has 4 divisors (see below), whose sum is σ = 220793692. Its totient is φ = 189251712.

The previous prime is 205022693. The next prime is 205022717. The reversal of 205022701 is 107220502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23474025 + 181548676 = 4845^2 + 13474^2 .

It is not a de Polignac number, because 205022701 - 2³ = 205022693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205023701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885476 + ... + 7885501.

It is an arithmetic number, because the mean of its divisors is an integer number (55198423).

Almost surely, 2^205022701 is an apocalyptic number.

It is an amenable number.

205022701 is a deficient number, since it is larger than the sum of its proper divisors (15770991).

205022701 is a wasteful number, since it uses less digits than its factorization.

205022701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770990.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 205022701 is about 14318.6137946381. The cubic root of 205022701 is about 589.6586179843.

The spelling of 205022701 in words is "two hundred five million, twenty-two thousand, seven hundred one".