420002382 has 16 divisors (see below), whose sum is σ = 841721472. Its totient is φ = 139714680.

The previous prime is 420002381. The next prime is 420002411. The reversal of 420002382 is 283200024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420002381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68338 + ... + 74229.

It is an arithmetic number, because the mean of its divisors is an integer number (52607592).

Almost surely, 2^420002382 is an apocalyptic number.

420002382 is an abundant number, since it is smaller than the sum of its proper divisors (421719090).

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

420002382 is a wasteful number, since it uses less digits than its factorization.

420002382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143063.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420002382 is about 20493.9596466861. The cubic root of 420002382 is about 748.8886544727. Note that the first 3 decimals are identical.

The spelling of 420002382 in words is "four hundred twenty million, two thousand, three hundred eighty-two".