206801055 has 12 divisors (see below), whose sum is σ = 358455240. Its totient is φ = 110293872.

The previous prime is 206801053. The next prime is 206801087. The reversal of 206801055 is 550108602.

206801055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206801055 - 2¹ = 206801053 is a prime.

It is a super-2 number, since 2×206801055² = 85533352698226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206801053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2297745 + ... + 2297834.

It is an arithmetic number, because the mean of its divisors is an integer number (29871270).

Almost surely, 2^206801055 is an apocalyptic number.

206801055 is a deficient number, since it is larger than the sum of its proper divisors (151654185).

206801055 is a wasteful number, since it uses less digits than its factorization.

206801055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595590 (or 4595587 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 206801055 is about 14380.5790912605. The cubic root of 206801055 is about 591.3585994824.

Adding to 206801055 its reverse (550108602), we get a palindrome (756909657).

The spelling of 206801055 in words is "two hundred six million, eight hundred one thousand, fifty-five".