420646206 has 32 divisors (see below), whose sum is σ = 886838400. Its totient is φ = 132645600.

The previous prime is 420646199. The next prime is 420646217. The reversal of 420646206 is 602646024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92281 + ... + 96731.

It is an arithmetic number, because the mean of its divisors is an integer number (27713700).

Almost surely, 2^420646206 is an apocalyptic number.

420646206 is an abundant number, since it is smaller than the sum of its proper divisors (466192194).

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

420646206 is a wasteful number, since it uses less digits than its factorization.

420646206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 420646206 is about 20509.6612843801. The cubic root of 420646206 is about 749.2711176479.

The spelling of 420646206 in words is "four hundred twenty million, six hundred forty-six thousand, two hundred six".