200420606 has 4 divisors (see below), whose sum is σ = 300630912. Its totient is φ = 100210302.

The previous prime is 200420573. The next prime is 200420609. The reversal of 200420606 is 606024002.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200420609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105150 + ... + 50105153.

It is an arithmetic number, because the mean of its divisors is an integer number (75157728).

Almost surely, 2^200420606 is an apocalyptic number.

200420606 is a deficient number, since it is larger than the sum of its proper divisors (100210306).

200420606 is a wasteful number, since it uses less digits than its factorization.

200420606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100210305.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 200420606 is about 14156.9984813166. The cubic root of 200420606 is about 585.2132137316.

Adding to 200420606 its reverse (606024002), we get a palindrome (806444608).

The spelling of 200420606 in words is "two hundred million, four hundred twenty thousand, six hundred six".