205022534 has 4 divisors (see below), whose sum is σ = 307533804. Its totient is φ = 102511266.

The previous prime is 205022491. The next prime is 205022537. The reversal of 205022534 is 435220502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205022537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51255632 + ... + 51255635.

It is an arithmetic number, because the mean of its divisors is an integer number (76883451).

Almost surely, 2^205022534 is an apocalyptic number.

205022534 is a deficient number, since it is larger than the sum of its proper divisors (102511270).

205022534 is a wasteful number, since it uses less digits than its factorization.

205022534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102511269.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 205022534 is about 14318.6079630668. The cubic root of 205022534 is about 589.6584578833.

The spelling of 205022534 in words is "two hundred five million, twenty-two thousand, five hundred thirty-four".