208293095380 has 24 divisors (see below), whose sum is σ = 437570019432. Its totient is φ = 83287805952.

The previous prime is 208293095369. The next prime is 208293095383. The reversal of 208293095380 is 83590392802.

It can be written as a sum of positive squares in 4 ways, for example, as 63639143824 + 144653951556 = 252268^2 + 380334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208293095383) 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, 1781437 + ... + 1894756.

It is an arithmetic number, because the mean of its divisors is an integer number (18232084143).

Almost surely, 2^208293095380 is an apocalyptic number.

208293095380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208293095380 is an abundant number, since it is smaller than the sum of its proper divisors (229276924052).

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

208293095380 is a wasteful number, since it uses less digits than its factorization.

208293095380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679035 (or 3679033 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 208293095380 in words is "two hundred eight billion, two hundred ninety-three million, ninety-five thousand, three hundred eighty".