208290600000 has 1008 divisors, whose sum is σ = 870021315072. Its totient is φ = 46656000000.

The previous prime is 208290599977. The next prime is 208290600053. The reversal of 208290600000 is 6092802.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 768599865 + ... + 768600135.

It is an arithmetic number, because the mean of its divisors is an integer number (863116384).

Almost surely, 2^208290600000 is an apocalyptic number.

208290600000 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 208290600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435010657536).

208290600000 is an abundant number, since it is smaller than the sum of its proper divisors (661730715072).

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

208290600000 is an equidigital number, since it uses as much as digits as its factorization.

208290600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 208290600000 its reverse (6092802), we get a palindrome (208296692802).

The spelling of 208290600000 in words is "two hundred eight billion, two hundred ninety million, six hundred thousand".