420446207 has 8 divisors (see below), whose sum is σ = 433754496. Its totient is φ = 407240352.

The previous prime is 420446197. The next prime is 420446249. The reversal of 420446207 is 702644024.

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

It is not a de Polignac number, because 420446207 - 2¹² = 420442111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420446207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420446107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17228 + ... + 33729.

It is an arithmetic number, because the mean of its divisors is an integer number (54219312).

Almost surely, 2^420446207 is an apocalyptic number.

420446207 is a deficient number, since it is larger than the sum of its proper divisors (13308289).

420446207 is a wasteful number, since it uses less digits than its factorization.

420446207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51217.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 420446207 is about 20504.7849781460. The cubic root of 420446207 is about 749.1523501992.

The spelling of 420446207 in words is "four hundred twenty million, four hundred forty-six thousand, two hundred seven".