420350212 has 6 divisors (see below), whose sum is σ = 735612878. Its totient is φ = 210175104.

The previous prime is 420350209. The next prime is 420350213. The reversal of 420350212 is 212053024.

It can be written as a sum of positive squares in only one way, i.e., 420086016 + 264196 = 20496^2 + 514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420350212.

It is not an unprimeable number, because it can be changed into a prime (420350213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52543773 + ... + 52543780.

Almost surely, 2^420350212 is an apocalyptic number.

It is an amenable number.

420350212 is a deficient number, since it is larger than the sum of its proper divisors (315262666).

420350212 is a wasteful number, since it uses less digits than its factorization.

420350212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105087557 (or 105087555 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420350212 is about 20502.4440494298. Note that the first 3 decimals coincide. The cubic root of 420350212 is about 749.0953311303.

The spelling of 420350212 in words is "four hundred twenty million, three hundred fifty thousand, two hundred twelve".