220420400201 has 8 divisors (see below), whose sum is σ = 223477063680. Its totient is φ = 217364742432.

The previous prime is 220420400197. The next prime is 220420400227. The reversal of 220420400201 is 102004024022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220420400201 - 2² = 220420400197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220420400201.

It is not an unprimeable number, because it can be changed into a prime (220420400261) 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, 195416 + ... + 692118.

It is an arithmetic number, because the mean of its divisors is an integer number (27934632960).

Almost surely, 2^220420400201 is an apocalyptic number.

It is an amenable number.

220420400201 is a deficient number, since it is larger than the sum of its proper divisors (3056663479).

220420400201 is an equidigital number, since it uses as much as digits as its factorization.

220420400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502855.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220420400201 its reverse (102004024022), we get a palindrome (322424424223).

The spelling of 220420400201 in words is "two hundred twenty billion, four hundred twenty million, four hundred thousand, two hundred one".