220034865 has 16 divisors (see below), whose sum is σ = 353903616. Its totient is φ = 116736000.

The previous prime is 220034831. The next prime is 220034873. The reversal of 220034865 is 568430022.

It is not a de Polignac number, because 220034865 - 2¹⁰ = 220033841 is a prime.

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, 35536 + ... + 41265.

It is an arithmetic number, because the mean of its divisors is an integer number (22118976).

Almost surely, 2^220034865 is an apocalyptic number.

It is an amenable number.

220034865 is a deficient number, since it is larger than the sum of its proper divisors (133868751).

220034865 is a wasteful number, since it uses less digits than its factorization.

220034865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77000.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 220034865 is about 14833.5722265407. The cubic root of 220034865 is about 603.7129619054.

Adding to 220034865 its reverse (568430022), we get a palindrome (788464887).

The spelling of 220034865 in words is "two hundred twenty million, thirty-four thousand, eight hundred sixty-five".