200208420 has 36 divisors (see below), whose sum is σ = 607299420. Its totient is φ = 53388864.

The previous prime is 200208389. The next prime is 200208433. The reversal of 200208420 is 24802002.

It can be written as a sum of positive squares in 2 ways, for example, as 80568576 + 119639844 = 8976^2 + 10938^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×200208420² = 80166822877792800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200208393 and 200208402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555955 + ... + 556314.

Almost surely, 2^200208420 is an apocalyptic number.

200208420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200208420 is an abundant number, since it is smaller than the sum of its proper divisors (407091000).

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

200208420 is a wasteful number, since it uses less digits than its factorization.

200208420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112284 (or 1112279 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 200208420 is about 14149.5024647512. The cubic root of 200208420 is about 585.0066183779.

The spelling of 200208420 in words is "two hundred million, two hundred eight thousand, four hundred twenty".