205542552010 has 64 divisors (see below), whose sum is σ = 376228105344. Its totient is φ = 80841196800.

The previous prime is 205542551923. The next prime is 205542552011. The reversal of 205542552010 is 10255245502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (205542552011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188053024 + ... + 188054116.

It is an arithmetic number, because the mean of its divisors is an integer number (5878564146).

Almost surely, 2^205542552010 is an apocalyptic number.

205542552010 is a deficient number, since it is larger than the sum of its proper divisors (170685553334).

205542552010 is a wasteful number, since it uses less digits than its factorization.

205542552010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 205542552010 its reverse (10255245502), we get a palindrome (215797797512).

The spelling of 205542552010 in words is "two hundred five billion, five hundred forty-two million, five hundred fifty-two thousand, ten".