220321303042 has 12 divisors (see below), whose sum is σ = 331385309190. Its totient is φ = 109860351936.

The previous prime is 220321302991. The next prime is 220321303049. The reversal of 220321303042 is 240303123022.

It can be written as a sum of positive squares in only one way, i.e., 196221534961 + 24099768081 = 442969^2 + 155241^2 .

It is not an unprimeable number, because it can be changed into a prime (220321303049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139567 + ... + 678322.

Almost surely, 2^220321303042 is an apocalyptic number.

220321303042 is a deficient number, since it is larger than the sum of its proper divisors (111064006148).

220321303042 is an frugal number, since it uses more digits than its factorization.

220321303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818625 (or 818258 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220321303042 its reverse (240303123022), we get a palindrome (460624426064).

The spelling of 220321303042 in words is "two hundred twenty billion, three hundred twenty-one million, three hundred three thousand, forty-two".