208450220 has 24 divisors (see below), whose sum is σ = 477541008. Its totient is φ = 75800000.

The previous prime is 208450211. The next prime is 208450223. The reversal of 208450220 is 22054802.

208450220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (208450223) 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, 473531 + ... + 473970.

It is an arithmetic number, because the mean of its divisors is an integer number (19897542).

Almost surely, 2^208450220 is an apocalyptic number.

208450220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208450220 is an abundant number, since it is smaller than the sum of its proper divisors (269090788).

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

208450220 is a wasteful number, since it uses less digits than its factorization.

208450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947521 (or 947519 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 208450220 is about 14437.8052348686. The cubic root of 208450220 is about 592.9263975944.

The spelling of 208450220 in words is "two hundred eight million, four hundred fifty thousand, two hundred twenty".