206401250 has 80 divisors (see below), whose sum is σ = 447381792. Its totient is φ = 70560000.

The previous prime is 206401249. The next prime is 206401271. The reversal of 206401250 is 52104602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233309 + ... + 234191.

Almost surely, 2^206401250 is an apocalyptic number.

206401250 is an abundant number, since it is smaller than the sum of its proper divisors (240980542).

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

206401250 is a wasteful number, since it uses less digits than its factorization.

206401250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 206401250 is about 14366.6715003859. The cubic root of 206401250 is about 590.9772657580.

Adding to 206401250 its reverse (52104602), we get a palindrome (258505852).

The spelling of 206401250 in words is "two hundred six million, four hundred one thousand, two hundred fifty".