208042030 has 16 divisors (see below), whose sum is σ = 427972320. Its totient is φ = 71328672.

The previous prime is 208042019. The next prime is 208042031. The reversal of 208042030 is 30240802.

It is a happy number.

208042030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 208041989 and 208042007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208042031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485945 + ... + 1486084.

It is an arithmetic number, because the mean of its divisors is an integer number (26748270).

Almost surely, 2^208042030 is an apocalyptic number.

208042030 is an abundant number, since it is smaller than the sum of its proper divisors (219930290).

208042030 is a wasteful number, since it uses less digits than its factorization.

208042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972043.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 208042030 is about 14423.6621563319. The cubic root of 208042030 is about 592.5391192340.

Adding to 208042030 its reverse (30240802), we get a palindrome (238282832).

The spelling of 208042030 in words is "two hundred eight million, forty-two thousand, thirty".