200668340 has 24 divisors (see below), whose sum is σ = 446192712. Its totient is φ = 75545600.

The previous prime is 200668339. The next prime is 200668379. The reversal of 200668340 is 43866002.

It can be written as a sum of positive squares in 4 ways, for example, as 25847056 + 174821284 = 5084^2 + 13222^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294761 + ... + 295440.

It is an arithmetic number, because the mean of its divisors is an integer number (18591363).

Almost surely, 2^200668340 is an apocalyptic number.

200668340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200668340 is an abundant number, since it is smaller than the sum of its proper divisors (245524372).

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

200668340 is a wasteful number, since it uses less digits than its factorization.

200668340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590227 (or 590225 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 200668340 is about 14165.7453033718. The cubic root of 200668340 is about 585.4542360498.

The spelling of 200668340 in words is "two hundred million, six hundred sixty-eight thousand, three hundred forty".