200426660 has 36 divisors (see below), whose sum is σ = 489616092. Its totient is φ = 68717376.

The previous prime is 200426621. The next prime is 200426711. The reversal of 200426660 is 66624002.

It can be written as a sum of positive squares in 2 ways, for example, as 139617856 + 60808804 = 11816^2 + 7798^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101279 + ... + 103238.

It is an arithmetic number, because the mean of its divisors is an integer number (13600447).

Almost surely, 2^200426660 is an apocalyptic number.

200426660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200426660 is an abundant number, since it is smaller than the sum of its proper divisors (289189432).

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

200426660 is a wasteful number, since it uses less digits than its factorization.

200426660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204540 (or 204531 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 200426660 is about 14157.2122962114. The cubic root of 200426660 is about 585.2191060816.

The spelling of 200426660 in words is "two hundred million, four hundred twenty-six thousand, six hundred sixty".