420025532 has 12 divisors (see below), whose sum is σ = 743304240. Its totient is φ = 207652896.

The previous prime is 420025481. The next prime is 420025537. The reversal of 420025532 is 235520024.

It is a junction number, because it is equal to n+sod(n) for n = 420025498 and 420025507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420025537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589568 + ... + 590279.

It is an arithmetic number, because the mean of its divisors is an integer number (61942020).

Almost surely, 2^420025532 is an apocalyptic number.

It is an amenable number.

420025532 is a deficient number, since it is larger than the sum of its proper divisors (323278708).

420025532 is a wasteful number, since it uses less digits than its factorization.

420025532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179940 (or 1179938 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 420025532 is about 20494.5244394692. The cubic root of 420025532 is about 748.9024134850.

Adding to 420025532 its reverse (235520024), we get a palindrome (655545556).

The spelling of 420025532 in words is "four hundred twenty million, twenty-five thousand, five hundred thirty-two".