220424506 has 16 divisors (see below), whose sum is σ = 338049216. Its totient is φ = 107765856.

The previous prime is 220424497. The next prime is 220424507. The reversal of 220424506 is 605424022.

220424506 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220424507) 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, 12355 + ... + 24361.

It is an arithmetic number, because the mean of its divisors is an integer number (21128076).

Almost surely, 2^220424506 is an apocalyptic number.

220424506 is a deficient number, since it is larger than the sum of its proper divisors (117624710).

220424506 is a wasteful number, since it uses less digits than its factorization.

220424506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 220424506 is about 14846.7001720921. The cubic root of 220424506 is about 604.0691063862.

Adding to 220424506 its reverse (605424022), we get a palindrome (825848528).

The spelling of 220424506 in words is "two hundred twenty million, four hundred twenty-four thousand, five hundred six".