206248820 has 24 divisors (see below), whose sum is σ = 451954944. Its totient is φ = 78912416.

The previous prime is 206248817. The next prime is 206248829. The reversal of 206248820 is 28842602.

It is a happy number.

206248820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206248829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223724 + ... + 224643.

It is an arithmetic number, because the mean of its divisors is an integer number (18831456).

Almost surely, 2^206248820 is an apocalyptic number.

206248820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206248820 is an abundant number, since it is smaller than the sum of its proper divisors (245706124).

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

206248820 is a wasteful number, since it uses less digits than its factorization.

206248820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448399 (or 448397 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 206248820 is about 14361.3655339595. The cubic root of 206248820 is about 590.8317484715.

The spelling of 206248820 in words is "two hundred six million, two hundred forty-eight thousand, eight hundred twenty".