420442024 has 32 divisors (see below), whose sum is σ = 836568000. Its totient is φ = 197667712.

The previous prime is 420442007. The next prime is 420442027. The reversal of 420442024 is 420244024.

It is a junction number, because it is equal to n+sod(n) for n = 420441986 and 420442004.

It is not an unprimeable number, because it can be changed into a prime (420442027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8509 + ... + 30220.

It is an arithmetic number, because the mean of its divisors is an integer number (26142750).

Almost surely, 2^420442024 is an apocalyptic number.

It is an amenable number.

420442024 is a deficient number, since it is larger than the sum of its proper divisors (416125976).

420442024 is a wasteful number, since it uses less digits than its factorization.

420442024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38817 (or 38813 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 420442024 is about 20504.6829773103. The cubic root of 420442024 is about 749.1498657635.

Adding to 420442024 its reverse (420244024), we get a palindrome (840686048).

The spelling of 420442024 in words is "four hundred twenty million, four hundred forty-two thousand, twenty-four".