420232532 has 12 divisors (see below), whose sum is σ = 755283060. Its totient is φ = 204437376.

The previous prime is 420232529. The next prime is 420232541. The reversal of 420232532 is 235232024.

It can be written as a sum of positive squares in 2 ways, for example, as 319551376 + 100681156 = 17876^2 + 10034^2 .

It is a super-3 number, since 3×420232532³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 420232498 and 420232507.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1419557 + ... + 1419852.

It is an arithmetic number, because the mean of its divisors is an integer number (62940255).

Almost surely, 2^420232532 is an apocalyptic number.

It is an amenable number.

420232532 is a deficient number, since it is larger than the sum of its proper divisors (335050528).

420232532 is a wasteful number, since it uses less digits than its factorization.

420232532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839450 (or 2839448 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 420232532 is about 20499.5739467922. The cubic root of 420232532 is about 749.0254197693.

Adding to 420232532 its reverse (235232024), we get a palindrome (655464556).

The spelling of 420232532 in words is "four hundred twenty million, two hundred thirty-two thousand, five hundred thirty-two".