208410020 has 96 divisors (see below), whose sum is σ = 541863168. Its totient is φ = 65567232.

The previous prime is 208410001. The next prime is 208410023. The reversal of 208410020 is 20014802.

It is not an unprimeable number, because it can be changed into a prime (208410023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558554 + ... + 558926.

It is an arithmetic number, because the mean of its divisors is an integer number (5644408).

Almost surely, 2^208410020 is an apocalyptic number.

208410020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208410020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270931584).

208410020 is an abundant number, since it is smaller than the sum of its proper divisors (333453148).

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

208410020 is a wasteful number, since it uses less digits than its factorization.

208410020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 208410020 is about 14436.4129893821. The cubic root of 208410020 is about 592.8882795030. Note that the first 3 decimals are identical.

Adding to 208410020 its reverse (20014802), we get a palindrome (228424822).

The spelling of 208410020 in words is "two hundred eight million, four hundred ten thousand, twenty".