205022151 has 16 divisors (see below), whose sum is σ = 310801920. Its totient is φ = 133502040.

The previous prime is 205022137. The next prime is 205022173. The reversal of 205022151 is 151220502.

205022151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205022151 - 2⁵ = 205022119 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205022651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87135 + ... + 89456.

It is an arithmetic number, because the mean of its divisors is an integer number (19425120).

Almost surely, 2^205022151 is an apocalyptic number.

205022151 is a deficient number, since it is larger than the sum of its proper divisors (105779769).

205022151 is a wasteful number, since it uses less digits than its factorization.

205022151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176643 (or 176637 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 205022151 is about 14318.5945888554. The cubic root of 205022151 is about 589.6580907052.

Adding to 205022151 its reverse (151220502), we get a palindrome (356242653).

The spelling of 205022151 in words is "two hundred five million, twenty-two thousand, one hundred fifty-one".