220020006 has 16 divisors (see below), whose sum is σ = 440552304. Its totient is φ = 73254624.

The previous prime is 220019993. The next prime is 220020011. The reversal of 220020006 is 600020022.

It is a junction number, because it is equal to n+sod(n) for n = 220019973 and 220020000.

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, 15645 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (27534519).

Almost surely, 2^220020006 is an apocalyptic number.

220020006 is an abundant number, since it is smaller than the sum of its proper divisors (220532298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220020006 is a wasteful number, since it uses less digits than its factorization.

220020006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42695.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220020006 is about 14833.0713609825. The cubic root of 220020006 is about 603.6993719790.

Adding to 220020006 its reverse (600020022), we get a palindrome (820040028).

The spelling of 220020006 in words is "two hundred twenty million, twenty thousand, six".