220120030321 has 8 divisors (see below), whose sum is σ = 220501507424. Its totient is φ = 219738813120.

The previous prime is 220120030303. The next prime is 220120030337. The reversal of 220120030321 is 123030021022.

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 220120030321 - 2⁹ = 220120029809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220120030295 and 220120030304.

It is not an unprimeable number, because it can be changed into a prime (220120030301) 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, 1670281 + ... + 1797241.

It is an arithmetic number, because the mean of its divisors is an integer number (27562688428).

Almost surely, 2^220120030321 is an apocalyptic number.

It is an amenable number.

220120030321 is a deficient number, since it is larger than the sum of its proper divisors (381477103).

220120030321 is a wasteful number, since it uses less digits than its factorization.

220120030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129951.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220120030321 its reverse (123030021022), we get a palindrome (343150051343).

The spelling of 220120030321 in words is "two hundred twenty billion, one hundred twenty million, thirty thousand, three hundred twenty-one".