220231303330 has 16 divisors (see below), whose sum is σ = 403895900664. Its totient is φ = 86430398080.

The previous prime is 220231303291. The next prime is 220231303339. The reversal of 220231303330 is 33303132022.

It can be written as a sum of positive squares in 4 ways, for example, as 182996583961 + 37234719369 = 427781^2 + 192963^2 .

It is not an unprimeable number, because it can be changed into a prime (220231303339) 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, 207764851 + ... + 207765910.

Almost surely, 2^220231303330 is an apocalyptic number.

220231303330 is a deficient number, since it is larger than the sum of its proper divisors (183664597334).

220231303330 is a wasteful number, since it uses less digits than its factorization.

220231303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415530821.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 220231303330 its reverse (33303132022), we get a palindrome (253534435352).

The spelling of 220231303330 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred three thousand, three hundred thirty".