420417212 has 6 divisors (see below), whose sum is σ = 735730128. Its totient is φ = 210208604.

The previous prime is 420417197. The next prime is 420417227. The reversal of 420417212 is 212714024.

It is an interprime number because it is at equal distance from previous prime (420417197) and next prime (420417227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552148 + ... + 52552155.

It is an arithmetic number, because the mean of its divisors is an integer number (122621688).

Almost surely, 2^420417212 is an apocalyptic number.

It is an amenable number.

420417212 is a deficient number, since it is larger than the sum of its proper divisors (315312916).

420417212 is a wasteful number, since it uses less digits than its factorization.

420417212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105104307 (or 105104305 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 420417212 is about 20504.0779358644. The cubic root of 420417212 is about 749.1351286765.

The spelling of 420417212 in words is "four hundred twenty million, four hundred seventeen thousand, two hundred twelve".