206555102 has 16 divisors (see below), whose sum is σ = 334177872. Its totient is φ = 95186880.

The previous prime is 206555093. The next prime is 206555113. The reversal of 206555102 is 201555602.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12218 + ... + 23714.

It is an arithmetic number, because the mean of its divisors is an integer number (20886117).

Almost surely, 2^206555102 is an apocalyptic number.

206555102 is a deficient number, since it is larger than the sum of its proper divisors (127622770).

206555102 is a wasteful number, since it uses less digits than its factorization.

206555102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 206555102 is about 14372.0249791044. The cubic root of 206555102 is about 591.1240679248.

The spelling of 206555102 in words is "two hundred six million, five hundred fifty-five thousand, one hundred two".