220105415 has 8 divisors (see below), whose sum is σ = 271265280. Its totient is φ = 171325152.

The previous prime is 220105397. The next prime is 220105427. The reversal of 220105415 is 514501022.

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 220105415 - 2¹² = 220101319 is a prime.

It is a congruent number.

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, 594695 + ... + 595064.

It is an arithmetic number, because the mean of its divisors is an integer number (33908160).

Almost surely, 2^220105415 is an apocalyptic number.

220105415 is a deficient number, since it is larger than the sum of its proper divisors (51159865).

220105415 is a wasteful number, since it uses less digits than its factorization.

220105415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189801.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 220105415 is about 14835.9500875407. The cubic root of 220105415 is about 603.7774780419. Note that the first 3 decimals are identical.

Adding to 220105415 its reverse (514501022), we get a palindrome (734606437).

The spelling of 220105415 in words is "two hundred twenty million, one hundred five thousand, four hundred fifteen".