200226420 has 36 divisors (see below), whose sum is σ = 607354020. Its totient is φ = 53393664.

The previous prime is 200226419. The next prime is 200226449. The reversal of 200226420 is 24622002.

It is a happy number.

200226420 is a `hidden beast` number, since 2 + 0 + 0 + 22 + 642 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68757264 + 131469156 = 8292^2 + 11466^2 .

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

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 = 200226393 and 200226402.

It is a congruent number.

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, 556005 + ... + 556364.

It is an arithmetic number, because the mean of its divisors is an integer number (16870945).

Almost surely, 2^200226420 is an apocalyptic number.

200226420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200226420 is an abundant number, since it is smaller than the sum of its proper divisors (407127600).

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

200226420 is a wasteful number, since it uses less digits than its factorization.

200226420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112384 (or 1112379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200226420 is about 14150.1385152231. The cubic root of 200226420 is about 585.0241497810.

Adding to 200226420 its reverse (24622002), we get a palindrome (224848422).

The spelling of 200226420 in words is "two hundred million, two hundred twenty-six thousand, four hundred twenty".