420032032 has 24 divisors (see below), whose sum is σ = 945072576. Its totient is φ = 180013632.

The previous prime is 420032021. The next prime is 420032057. The reversal of 420032032 is 230230024.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 420031997 and 420032015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937348 + ... + 937795.

It is an arithmetic number, because the mean of its divisors is an integer number (39378024).

Almost surely, 2^420032032 is an apocalyptic number.

It is an amenable number.

420032032 is an abundant number, since it is smaller than the sum of its proper divisors (525040544).

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

420032032 is a wasteful number, since it uses less digits than its factorization.

420032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875160 (or 1875152 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 420032032 is about 20494.6830177976. The cubic root of 420032032 is about 748.9062766157.

Adding to 420032032 its reverse (230230024), we get a palindrome (650262056).

The spelling of 420032032 in words is "four hundred twenty million, thirty-two thousand, thirty-two".