220504434 has 16 divisors (see below), whose sum is σ = 441588672. Its totient is φ = 73404848.

The previous prime is 220504397. The next prime is 220504463. The reversal of 220504434 is 434405022.

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, 19134 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (27599292).

Almost surely, 2^220504434 is an apocalyptic number.

220504434 is an abundant number, since it is smaller than the sum of its proper divisors (221084238).

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

220504434 is a wasteful number, since it uses less digits than its factorization.

220504434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48321.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 220504434 is about 14849.3917047130. The cubic root of 220504434 is about 604.1421112768.

Adding to 220504434 its reverse (434405022), we get a palindrome (654909456).

The spelling of 220504434 in words is "two hundred twenty million, five hundred four thousand, four hundred thirty-four".