206039427 has 16 divisors (see below), whose sum is σ = 300467712. Its totient is φ = 124549920.

The previous prime is 206039419. The next prime is 206039437. The reversal of 206039427 is 724930602.

206039427 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 206039427 - 2³ = 206039419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (206039417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5238 + ... + 20964.

It is an arithmetic number, because the mean of its divisors is an integer number (18779232).

Almost surely, 2^206039427 is an apocalyptic number.

206039427 is a deficient number, since it is larger than the sum of its proper divisors (94428285).

206039427 is a wasteful number, since it uses less digits than its factorization.

206039427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 206039427 is about 14354.0735333215. The cubic root of 206039427 is about 590.6317345219.

The spelling of 206039427 in words is "two hundred six million, thirty-nine thousand, four hundred twenty-seven".