420111424 has 14 divisors (see below), whose sum is σ = 833658734. Its totient is φ = 210055680.

The previous prime is 420111409. The next prime is 420111437. The reversal of 420111424 is 424111024.

It can be written as a sum of positive squares in only one way, i.e., 315417600 + 104693824 = 17760^2 + 10232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282057 + ... + 3282184.

Almost surely, 2^420111424 is an apocalyptic number.

It is an amenable number.

420111424 is a deficient number, since it is larger than the sum of its proper divisors (413547310).

420111424 is an equidigital number, since it uses as much as digits as its factorization.

420111424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564253 (or 6564243 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 420111424 is about 20496.6198188872. The cubic root of 420111424 is about 748.9534582724.

Adding to 420111424 its reverse (424111024), we get a palindrome (844222448).

It can be divided in two parts, 4201 and 11424, that added together give a 6-th power (15625 = 5⁶).

The spelling of 420111424 in words is "four hundred twenty million, one hundred eleven thousand, four hundred twenty-four".