420502384 has 20 divisors (see below), whose sum is σ = 820123600. Its totient is φ = 208857600.

The previous prime is 420502367. The next prime is 420502391. The reversal of 420502384 is 483205024.

It is a congruent number.

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, 84609 + ... + 89440.

It is an arithmetic number, because the mean of its divisors is an integer number (41006180).

Almost surely, 2^420502384 is an apocalyptic number.

It is an amenable number.

420502384 is a deficient number, since it is larger than the sum of its proper divisors (399621216).

420502384 is a wasteful number, since it uses less digits than its factorization.

420502384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174208 (or 174202 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 420502384 is about 20506.1547833815. The cubic root of 420502384 is about 749.1857141640.

The spelling of 420502384 in words is "four hundred twenty million, five hundred two thousand, three hundred eighty-four".