220216434 has 32 divisors (see below), whose sum is σ = 446022720. Its totient is φ = 72479232.

The previous prime is 220216429. The next prime is 220216457. The reversal of 220216434 is 434612022.

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, 256534 + ... + 257390.

It is an arithmetic number, because the mean of its divisors is an integer number (13938210).

Almost surely, 2^220216434 is an apocalyptic number.

220216434 is an abundant number, since it is smaller than the sum of its proper divisors (225806286).

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

220216434 is a wasteful number, since it uses less digits than its factorization.

220216434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220216434 is about 14839.6911692932. The cubic root of 220216434 is about 603.8789741138.

Adding to 220216434 its reverse (434612022), we get a palindrome (654828456).

The spelling of 220216434 in words is "two hundred twenty million, two hundred sixteen thousand, four hundred thirty-four".