420524232 has 32 divisors (see below), whose sum is σ = 1051954080. Its totient is φ = 140088960.

The previous prime is 420524191. The next prime is 420524243. The reversal of 420524232 is 232425024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43908 + ... + 52620.

It is an arithmetic number, because the mean of its divisors is an integer number (32873565).

Almost surely, 2^420524232 is an apocalyptic number.

It is an amenable number.

420524232 is an abundant number, since it is smaller than the sum of its proper divisors (631429848).

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

420524232 is a wasteful number, since it uses less digits than its factorization.

420524232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733 (or 10729 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 420524232 is about 20506.6874945711. The cubic root of 420524232 is about 749.1986890615.

Adding to 420524232 its reverse (232425024), we get a palindrome (652949256).

The spelling of 420524232 in words is "four hundred twenty million, five hundred twenty-four thousand, two hundred thirty-two".