220024404 has 48 divisors (see below), whose sum is σ = 603993600. Its totient is φ = 69026688.

The previous prime is 220024397. The next prime is 220024423. The reversal of 220024404 is 404420022.

220024404 is a `hidden beast` number, since 220 + 0 + 2 + 440 + 4 = 666.

220024404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58084 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (12583200).

Almost surely, 2^220024404 is an apocalyptic number.

It is an amenable number.

220024404 is an abundant number, since it is smaller than the sum of its proper divisors (383969196).

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

220024404 is a wasteful number, since it uses less digits than its factorization.

220024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119869 (or 119861 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 220024404 is about 14833.2196100509. The cubic root of 220024404 is about 603.7033944195.

Adding to 220024404 its reverse (404420022), we get a palindrome (624444426).

The spelling of 220024404 in words is "two hundred twenty million, twenty-four thousand, four hundred four".