220404046 has 8 divisors (see below), whose sum is σ = 330670224. Its totient is φ = 110180640.

The previous prime is 220404013. The next prime is 220404053. The reversal of 220404046 is 640404022.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10966 + ... + 23686.

It is an arithmetic number, because the mean of its divisors is an integer number (41333778).

Almost surely, 2^220404046 is an apocalyptic number.

220404046 is a deficient number, since it is larger than the sum of its proper divisors (110266178).

220404046 is a wasteful number, since it uses less digits than its factorization.

220404046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21386.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 220404046 is about 14846.0111141006. The cubic root of 220404046 is about 604.0504157294.

Adding to 220404046 its reverse (640404022), we get a palindrome (860808068).

The spelling of 220404046 in words is "two hundred twenty million, four hundred four thousand, forty-six".