220406504105 has 32 divisors (see below), whose sum is σ = 273759585408. Its totient is φ = 170254656000.

The previous prime is 220406504077. The next prime is 220406504111. The reversal of 220406504105 is 501405604022.

It is a de Polignac number, because none of the positive numbers 2^k-220406504105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20785805 + ... + 20796405.

It is an arithmetic number, because the mean of its divisors is an integer number (8554987044).

Almost surely, 2^220406504105 is an apocalyptic number.

It is an amenable number.

220406504105 is a deficient number, since it is larger than the sum of its proper divisors (53353081303).

220406504105 is a wasteful number, since it uses less digits than its factorization.

220406504105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11897.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 220406504105 in words is "two hundred twenty billion, four hundred six million, five hundred four thousand, one hundred five".