420682606 has 4 divisors (see below), whose sum is σ = 631023912. Its totient is φ = 210341302.

The previous prime is 420682589. The next prime is 420682609. The reversal of 420682606 is 606286024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420682609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105170650 + ... + 105170653.

It is an arithmetic number, because the mean of its divisors is an integer number (157755978).

Almost surely, 2^420682606 is an apocalyptic number.

420682606 is a deficient number, since it is larger than the sum of its proper divisors (210341306).

420682606 is a wasteful number, since it uses less digits than its factorization.

420682606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210341305.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 420682606 is about 20510.5486518523. The cubic root of 420682606 is about 749.2927293822.

The spelling of 420682606 in words is "four hundred twenty million, six hundred eighty-two thousand, six hundred six".