420042333 has 16 divisors (see below), whose sum is σ = 567677376. Its totient is φ = 276228480.

The previous prime is 420042323. The next prime is 420042349. The reversal of 420042333 is 333240024.

It is not a de Polignac number, because 420042333 - 2⁴ = 420042317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420042313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317313 + ... + 318633.

It is an arithmetic number, because the mean of its divisors is an integer number (35479836).

Almost surely, 2^420042333 is an apocalyptic number.

It is an amenable number.

420042333 is a deficient number, since it is larger than the sum of its proper divisors (147635043).

420042333 is a wasteful number, since it uses less digits than its factorization.

420042333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 420042333 is about 20494.9343253400. The cubic root of 420042333 is about 748.9123987047.

Adding to 420042333 its reverse (333240024), we get a palindrome (753282357).

The spelling of 420042333 in words is "four hundred twenty million, forty-two thousand, three hundred thirty-three".