205570552 has 48 divisors (see below), whose sum is σ = 426544200. Its totient is φ = 92112000.

The previous prime is 205570513. The next prime is 205570553. The reversal of 205570552 is 255075502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205570553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897574 + ... + 897802.

Almost surely, 2^205570552 is an apocalyptic number.

205570552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205570552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213272100).

205570552 is an abundant number, since it is smaller than the sum of its proper divisors (220973648).

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

205570552 is a wasteful number, since it uses less digits than its factorization.

205570552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 205570552 is about 14337.7317592428. The cubic root of 205570552 is about 590.1833692223.

The spelling of 205570552 in words is "two hundred five million, five hundred seventy thousand, five hundred fifty-two".