420210024 has 32 divisors (see below), whose sum is σ = 1131335520. Its totient is φ = 129295296.

The previous prime is 420210013. The next prime is 420210031. The reversal of 420210024 is 420012024.

It is a junction number, because it is equal to n+sod(n) for n = 420209985 and 420210012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673102 + ... + 673725.

It is an arithmetic number, because the mean of its divisors is an integer number (35354235).

Almost surely, 2^420210024 is an apocalyptic number.

It is an amenable number.

420210024 is an abundant number, since it is smaller than the sum of its proper divisors (711125496).

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

420210024 is a wasteful number, since it uses less digits than its factorization.

420210024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346849 (or 1346845 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 420210024 is about 20499.0249524215. The cubic root of 420210024 is about 749.0120467248.

Adding to 420210024 its reverse (420012024), we get a palindrome (840222048).

The spelling of 420210024 in words is "four hundred twenty million, two hundred ten thousand, twenty-four".