220303103018 has 4 divisors (see below), whose sum is σ = 330454654530. Its totient is φ = 110151551508.

The previous prime is 220303103017. The next prime is 220303103023. The reversal of 220303103018 is 810301303022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810301303022 = 2 ⋅405150651511.

It can be written as a sum of positive squares in only one way, i.e., 194633615929 + 25669487089 = 441173^2 + 160217^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220303102984 and 220303103002.

It is not an unprimeable number, because it can be changed into a prime (220303103017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55075775753 + ... + 55075775756.

Almost surely, 2^220303103018 is an apocalyptic number.

220303103018 is a deficient number, since it is larger than the sum of its proper divisors (110151551512).

220303103018 is a wasteful number, since it uses less digits than its factorization.

220303103018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110151551511.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 220303103018 in words is "two hundred twenty billion, three hundred three million, one hundred three thousand, eighteen".