420550212 has 12 divisors (see below), whose sum is σ = 981283856. Its totient is φ = 140183400.

The previous prime is 420550189. The next prime is 420550241. The reversal of 420550212 is 212055024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17522914 + ... + 17522937.

Almost surely, 2^420550212 is an apocalyptic number.

It is an amenable number.

420550212 is an abundant number, since it is smaller than the sum of its proper divisors (560733644).

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

420550212 is a wasteful number, since it uses less digits than its factorization.

420550212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35045858 (or 35045856 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 420550212 is about 20507.3209366801. The cubic root of 420550212 is about 749.2141172498.

The spelling of 420550212 in words is "four hundred twenty million, five hundred fifty thousand, two hundred twelve".