205220552 has 8 divisors (see below), whose sum is σ = 384788550. Its totient is φ = 102610272.

The previous prime is 205220551. The next prime is 205220557. The reversal of 205220552 is 255022502.

It is a happy number.

205220552 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 can be written as a sum of positive squares in only one way, i.e., 189172516 + 16048036 = 13754^2 + 4006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (205220551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12826277 + ... + 12826292.

Almost surely, 2^205220552 is an apocalyptic number.

It is an amenable number.

205220552 is a deficient number, since it is larger than the sum of its proper divisors (179567998).

205220552 is a wasteful number, since it uses less digits than its factorization.

205220552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25652575 (or 25652571 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 205220552 is about 14325.5210027419. The cubic root of 205220552 is about 589.8482344494.

The spelling of 205220552 in words is "two hundred five million, two hundred twenty thousand, five hundred fifty-two".