220020201321 has 8 divisors (see below), whose sum is σ = 293717592384. Its totient is φ = 146501472240.

The previous prime is 220020201223. The next prime is 220020201329. The reversal of 220020201321 is 123102020022.

It is a happy number.

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

It is not a de Polignac number, because 220020201321 - 2¹⁵ = 220020168553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220020201321.

It is not an unprimeable number, because it can be changed into a prime (220020201329) 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, 44662621 + ... + 44667546.

It is an arithmetic number, because the mean of its divisors is an integer number (36714699048).

Almost surely, 2^220020201321 is an apocalyptic number.

It is an amenable number.

220020201321 is a deficient number, since it is larger than the sum of its proper divisors (73697391063).

220020201321 is an equidigital number, since it uses as much as digits as its factorization.

220020201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89330991.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220020201321 its reverse (123102020022), we get a palindrome (343122221343).

The spelling of 220020201321 in words is "two hundred twenty billion, twenty million, two hundred one thousand, three hundred twenty-one".