420025324 has 48 divisors (see below), whose sum is σ = 845752320. Its totient is φ = 181198080.

The previous prime is 420025313. The next prime is 420025337. The reversal of 420025324 is 423520024.

420025324 = 112² + 113² + ... + 1080².

It is a junction number, because it is equal to n+sod(n) for n = 420025295 and 420025304.

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 15 ways as a sum of consecutive naturals, for example, 34809 + ... + 45295.

It is an arithmetic number, because the mean of its divisors is an integer number (17619840).

Almost surely, 2^420025324 is an apocalyptic number.

It is an amenable number.

420025324 is an abundant number, since it is smaller than the sum of its proper divisors (425726996).

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

420025324 is a wasteful number, since it uses less digits than its factorization.

420025324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558 (or 10556 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420025324 is about 20494.5193649424. The cubic root of 420025324 is about 748.9022898641.

Adding to 420025324 its reverse (423520024), we get a palindrome (843545348).

The spelling of 420025324 in words is "four hundred twenty million, twenty-five thousand, three hundred twenty-four".