206248020 has 96 divisors (see below), whose sum is σ = 634870656. Its totient is φ = 49612800.

The previous prime is 206247989. The next prime is 206248033. The reversal of 206248020 is 20842602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89280 + ... + 91560.

It is an arithmetic number, because the mean of its divisors is an integer number (6613236).

Almost surely, 2^206248020 is an apocalyptic number.

206248020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206248020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317435328).

206248020 is an abundant number, since it is smaller than the sum of its proper divisors (428622636).

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

206248020 is a wasteful number, since it uses less digits than its factorization.

206248020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 206248020 is about 14361.3376814279. The cubic root of 206248020 is about 590.8309845625.

The spelling of 206248020 in words is "two hundred six million, two hundred forty-eight thousand, twenty".