2221030220320 has 48 divisors (see below), whose sum is σ = 5260401133848. Its totient is φ = 886174248960.

The previous prime is 2221030220317. The next prime is 2221030220323. The reversal of 2221030220320 is 230220301222.

It is an interprime number because it is at equal distance from previous prime (2221030220317) and next prime (2221030220323).

It can be written as a sum of positive squares in 4 ways, for example, as 1792953136144 + 428077084176 = 1339012^2 + 654276^2 .

It is not an unprimeable number, because it can be changed into a prime (2221030220323) 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, 17419401 + ... + 17546440.

Almost surely, 2^{2221030220320} is an apocalyptic number.

2221030220320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221030220320 is an abundant number, since it is smaller than the sum of its proper divisors (3039370913528).

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

2221030220320 is a wasteful number, since it uses less digits than its factorization.

2221030220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34966253 (or 34966245 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 2221030220320 its reverse (230220301222), we get a palindrome (2451250521542).

The spelling of 2221030220320 in words is "two trillion, two hundred twenty-one billion, thirty million, two hundred twenty thousand, three hundred twenty".