420246332 has 24 divisors (see below), whose sum is σ = 844515840. Its totient is φ = 180966960.

The previous prime is 420246331. The next prime is 420246371. The reversal of 420246332 is 233642024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420246331) 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, 250508 + ... + 252179.

It is an arithmetic number, because the mean of its divisors is an integer number (35188160).

Almost surely, 2^420246332 is an apocalyptic number.

It is an amenable number.

420246332 is an abundant number, since it is smaller than the sum of its proper divisors (424269508).

420246332 is a wasteful number, since it uses less digits than its factorization.

420246332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502721 (or 502719 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 420246332 is about 20499.9105363902. The cubic root of 420246332 is about 749.0336187519.

Adding to 420246332 its reverse (233642024), we get a palindrome (653888356).

The spelling of 420246332 in words is "four hundred twenty million, two hundred forty-six thousand, three hundred thirty-two".