420244606 has 4 divisors (see below), whose sum is σ = 630366912. Its totient is φ = 210122302.

The previous prime is 420244589. The next prime is 420244613. The reversal of 420244606 is 606442024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061150 + ... + 105061153.

It is an arithmetic number, because the mean of its divisors is an integer number (157591728).

Almost surely, 2^420244606 is an apocalyptic number.

420244606 is a deficient number, since it is larger than the sum of its proper divisors (210122306).

420244606 is a wasteful number, since it uses less digits than its factorization.

420244606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210122305.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 420244606 is about 20499.8684386022. The cubic root of 420244606 is about 749.0325932948.

The spelling of 420244606 in words is "four hundred twenty million, two hundred forty-four thousand, six hundred six".