420434332 has 12 divisors (see below), whose sum is σ = 736426600. Its totient is φ = 210026736.

The previous prime is 420434323. The next prime is 420434341. The reversal of 420434332 is 233434024.

It is an interprime number because it is at equal distance from previous prime (420434323) and next prime (420434341).

It is a junction number, because it is equal to n+sod(n) for n = 420434297 and 420434306.

It is a congruent number.

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, 42582 + ... + 51517.

Almost surely, 2^420434332 is an apocalyptic number.

It is an amenable number.

420434332 is a deficient number, since it is larger than the sum of its proper divisors (315992268).

420434332 is a wasteful number, since it uses less digits than its factorization.

420434332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95220 (or 95218 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 420434332 is about 20504.4954095437. The cubic root of 420434332 is about 749.1452971622.

Adding to 420434332 its reverse (233434024), we get a palindrome (653868356).

The spelling of 420434332 in words is "four hundred twenty million, four hundred thirty-four thousand, three hundred thirty-two".