205023054 has 32 divisors (see below), whose sum is σ = 422674560. Its totient is φ = 66259872.

The previous prime is 205023041. The next prime is 205023059. The reversal of 205023054 is 450320502.

205023054 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 205023054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205023059) 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, 33004 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (13208580).

Almost surely, 2^205023054 is an apocalyptic number.

205023054 is an abundant number, since it is smaller than the sum of its proper divisors (217651506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205023054 is a wasteful number, since it uses less digits than its factorization.

205023054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 205023054 is about 14318.6261212450. The cubic root of 205023054 is about 589.6589564011.

Adding to 205023054 its reverse (450320502), we get a palindrome (655343556).

The spelling of 205023054 in words is "two hundred five million, twenty-three thousand, fifty-four".