220420024 has 32 divisors (see below), whose sum is σ = 452214000. Its totient is φ = 99889920.

The previous prime is 220420003. The next prime is 220420043. The reversal of 220420024 is 420024022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27124 + ... + 34300.

Almost surely, 2^220420024 is an apocalyptic number.

It is an amenable number.

220420024 is an abundant number, since it is smaller than the sum of its proper divisors (231793976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220420024 is a wasteful number, since it uses less digits than its factorization.

220420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7539 counting only the distinct ones).

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

The square root of 220420024 is about 14846.5492286928. The cubic root of 220420024 is about 604.0650120802.

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

The spelling of 220420024 in words is "two hundred twenty million, four hundred twenty thousand, twenty-four".