220404102146 has 16 divisors (see below), whose sum is σ = 330861630528. Its totient is φ = 110116928400.

The previous prime is 220404102071. The next prime is 220404102211. The reversal of 220404102146 is 641201404022.

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, 18699371 + ... + 18711153.

It is an arithmetic number, because the mean of its divisors is an integer number (20678851908).

Almost surely, 2^220404102146 is an apocalyptic number.

220404102146 is a deficient number, since it is larger than the sum of its proper divisors (110457528382).

220404102146 is a wasteful number, since it uses less digits than its factorization.

220404102146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18217.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 220404102146 its reverse (641201404022), we get a palindrome (861605506168).

The spelling of 220404102146 in words is "two hundred twenty billion, four hundred four million, one hundred two thousand, one hundred forty-six".