208017030 has 96 divisors (see below), whose sum is σ = 547858080. Its totient is φ = 50519040.

The previous prime is 208017001. The next prime is 208017031. The reversal of 208017030 is 30710802.

It is a junction number, because it is equal to n+sod(n) for n = 208016988 and 208017006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208017031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451000 + ... + 451460.

It is an arithmetic number, because the mean of its divisors is an integer number (5706855).

Almost surely, 2^208017030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208017030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273929040).

208017030 is an abundant number, since it is smaller than the sum of its proper divisors (339841050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208017030 is a wasteful number, since it uses less digits than its factorization.

208017030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 208017030 is about 14422.7954987929. The cubic root of 208017030 is about 592.5153835312.

Adding to 208017030 its reverse (30710802), we get a palindrome (238727832).

It can be divided in two parts, 2080 and 17030, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 208017030 in words is "two hundred eight million, seventeen thousand, thirty".