420511324 has 6 divisors (see below), whose sum is σ = 735894824. Its totient is φ = 210255660.

The previous prime is 420511313. The next prime is 420511331. The reversal of 420511324 is 423115024.

It is a super-2 number, since 2×420511324² = 353659547224465952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420511295 and 420511304.

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, 52563912 + ... + 52563919.

Almost surely, 2^420511324 is an apocalyptic number.

It is an amenable number.

420511324 is a deficient number, since it is larger than the sum of its proper divisors (315383500).

420511324 is a wasteful number, since it uses less digits than its factorization.

420511324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105127835 (or 105127833 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 420511324 is about 20506.3727655575. The cubic root of 420511324 is about 749.1910234266.

Adding to 420511324 its reverse (423115024), we get a palindrome (843626348).

The spelling of 420511324 in words is "four hundred twenty million, five hundred eleven thousand, three hundred twenty-four".