220213405 has 8 divisors (see below), whose sum is σ = 265363200. Its totient is φ = 175432656.

The previous prime is 220213379. The next prime is 220213421. The reversal of 220213405 is 504312022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220213405 - 2⁵ = 220213373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90945 + ... + 93334.

It is an arithmetic number, because the mean of its divisors is an integer number (33170400).

Almost surely, 2^220213405 is an apocalyptic number.

It is an amenable number.

220213405 is a deficient number, since it is larger than the sum of its proper divisors (45149795).

220213405 is a wasteful number, since it uses less digits than its factorization.

220213405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184523.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 220213405 is about 14839.5891115624. The cubic root of 220213405 is about 603.8762053865.

Adding to 220213405 its reverse (504312022), we get a palindrome (724525427).

The spelling of 220213405 in words is "two hundred twenty million, two hundred thirteen thousand, four hundred five".