206914220 has 12 divisors (see below), whose sum is σ = 434519904. Its totient is φ = 82765680.

The previous prime is 206914207. The next prime is 206914229. The reversal of 206914220 is 22419602.

It is a self number, because there is not a number n which added to its sum of digits gives 206914220.

It is not an unprimeable number, because it can be changed into a prime (206914229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172836 + ... + 5172875.

It is an arithmetic number, because the mean of its divisors is an integer number (36209992).

Almost surely, 2^206914220 is an apocalyptic number.

206914220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206914220 is an abundant number, since it is smaller than the sum of its proper divisors (227605684).

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

206914220 is a wasteful number, since it uses less digits than its factorization.

206914220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345720 (or 10345718 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 206914220 is about 14384.5131999661. The cubic root of 206914220 is about 591.4664469220.

The spelling of 206914220 in words is "two hundred six million, nine hundred fourteen thousand, two hundred twenty".