420024022 has 32 divisors (see below), whose sum is σ = 740358144. Its totient is φ = 176721600.

The previous prime is 420023987. The next prime is 420024029. The reversal of 420024022 is 220420024.

It is a junction number, because it is equal to n+sod(n) for n = 420023987 and 420024005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420024029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 29074.

It is an arithmetic number, because the mean of its divisors is an integer number (23136192).

Almost surely, 2^420024022 is an apocalyptic number.

420024022 is a deficient number, since it is larger than the sum of its proper divisors (320334122).

420024022 is a wasteful number, since it uses less digits than its factorization.

420024022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 420024022 is about 20494.4876003280. The cubic root of 420024022 is about 748.9015160443.

Adding to 420024022 its reverse (220420024), we get a palindrome (640444046).

The spelling of 420024022 in words is "four hundred twenty million, twenty-four thousand, twenty-two".