420234552 has 48 divisors (see below), whose sum is σ = 1198041000. Its totient is φ = 132705216.

The previous prime is 420234547. The next prime is 420234553. The reversal of 420234552 is 255432024.

It is a happy number.

420234552 is a `hidden beast` number, since 4 + 202 + 3 + 455 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152227 + ... + 154962.

Almost surely, 2^420234552 is an apocalyptic number.

It is an amenable number.

420234552 is an abundant number, since it is smaller than the sum of its proper divisors (777806448).

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

420234552 is a wasteful number, since it uses less digits than its factorization.

420234552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307220 (or 307213 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 420234552 is about 20499.6232160496. The cubic root of 420234552 is about 749.0266199215.

Adding to 420234552 its reverse (255432024), we get a palindrome (675666576).

The spelling of 420234552 in words is "four hundred twenty million, two hundred thirty-four thousand, five hundred fifty-two".