420066420206 has 8 divisors (see below), whose sum is σ = 640779285240. Its totient is φ = 206473325128.

The previous prime is 420066420197. The next prime is 420066420229. The reversal of 420066420206 is 602024660024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779942341 + ... + 1779942576.

It is an arithmetic number, because the mean of its divisors is an integer number (80097410655).

Almost surely, 2^420066420206 is an apocalyptic number.

420066420206 is a deficient number, since it is larger than the sum of its proper divisors (220712865034).

420066420206 is a wasteful number, since it uses less digits than its factorization.

420066420206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559884978.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 420066420206 in words is "four hundred twenty billion, sixty-six million, four hundred twenty thousand, two hundred six".