420425332 has 6 divisors (see below), whose sum is σ = 735744338. Its totient is φ = 210212664.

The previous prime is 420425329. The next prime is 420425353. The reversal of 420425332 is 233524024.

It can be written as a sum of positive squares in only one way, i.e., 409495696 + 10929636 = 20236^2 + 3306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420425297 and 420425306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52553163 + ... + 52553170.

Almost surely, 2^420425332 is an apocalyptic number.

It is an amenable number.

420425332 is a deficient number, since it is larger than the sum of its proper divisors (315319006).

420425332 is a wasteful number, since it uses less digits than its factorization.

420425332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105106337 (or 105106335 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 420425332 is about 20504.2759443000. The cubic root of 420425332 is about 749.1399516142.

Adding to 420425332 its reverse (233524024), we get a palindrome (653949356).

It can be divided in two parts, 42042 and 5332, that added together give a palindrome (47374).

The spelling of 420425332 in words is "four hundred twenty million, four hundred twenty-five thousand, three hundred thirty-two".