220291106 has 16 divisors (see below), whose sum is σ = 378100224. Its totient is φ = 94295904.

The previous prime is 220291103. The next prime is 220291129. The reversal of 220291106 is 601192022.

It is not an unprimeable number, because it can be changed into a prime (220291103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (23631264).

Almost surely, 2^220291106 is an apocalyptic number.

220291106 is a deficient number, since it is larger than the sum of its proper divisors (157809118).

220291106 is a wasteful number, since it uses less digits than its factorization.

220291106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19105.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 220291106 is about 14842.2069113727. The cubic root of 220291106 is about 603.9472217526.

The spelling of 220291106 in words is "two hundred twenty million, two hundred ninety-one thousand, one hundred six".