206090244 has 72 divisors (see below), whose sum is σ = 544252800. Its totient is φ = 68187744.

The previous prime is 206090233. The next prime is 206090257. The reversal of 206090244 is 442090602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144117 + ... + 145539.

Almost surely, 2^206090244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206090244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272126400).

206090244 is an abundant number, since it is smaller than the sum of its proper divisors (338162556).

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

206090244 is a wasteful number, since it uses less digits than its factorization.

206090244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 206090244 is about 14355.8435488828. The cubic root of 206090244 is about 590.6802877949.

The spelling of 206090244 in words is "two hundred six million, ninety thousand, two hundred forty-four".