220260345 has 16 divisors (see below), whose sum is σ = 357245952. Its totient is φ = 115862400.

The previous prime is 220260317. The next prime is 220260361. The reversal of 220260345 is 543062022.

It is not a de Polignac number, because 220260345 - 2¹² = 220256249 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, 99481 + ... + 101670.

It is an arithmetic number, because the mean of its divisors is an integer number (22327872).

Almost surely, 2^220260345 is an apocalyptic number.

It is an amenable number.

220260345 is a deficient number, since it is larger than the sum of its proper divisors (136985607).

220260345 is a wasteful number, since it uses less digits than its factorization.

220260345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201232.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 220260345 is about 14841.1706074689. The cubic root of 220260345 is about 603.9191091253.

The spelling of 220260345 in words is "two hundred twenty million, two hundred sixty thousand, three hundred forty-five".