206820462 has 32 divisors (see below), whose sum is σ = 434170368. Its totient is φ = 65554016.

The previous prime is 206820451. The next prime is 206820517. The reversal of 206820462 is 264028602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19543 + ... + 28205.

It is an arithmetic number, because the mean of its divisors is an integer number (13567824).

Almost surely, 2^206820462 is an apocalyptic number.

206820462 is an abundant number, since it is smaller than the sum of its proper divisors (227349906).

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

206820462 is a wasteful number, since it uses less digits than its factorization.

206820462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 206820462 is about 14381.2538396344. The cubic root of 206820462 is about 591.3770973528.

The spelling of 206820462 in words is "two hundred six million, eight hundred twenty thousand, four hundred sixty-two".