220203242036 has 12 divisors (see below), whose sum is σ = 387009562212. Its totient is φ = 109629081408.

The previous prime is 220203242033. The next prime is 220203242057. The reversal of 220203242036 is 630242302022.

It can be written as a sum of positive squares in 2 ways, for example, as 25678139536 + 194525102500 = 160244^2 + 441050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220203241996 and 220203242014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220203242033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118133855 + ... + 118135718.

It is an arithmetic number, because the mean of its divisors is an integer number (32250796851).

Almost surely, 2^220203242036 is an apocalyptic number.

It is an amenable number.

220203242036 is a deficient number, since it is larger than the sum of its proper divisors (166806320176).

220203242036 is a wasteful number, since it uses less digits than its factorization.

220203242036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236269810 (or 236269808 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 220203242036 its reverse (630242302022), we get a palindrome (850445544058).

The spelling of 220203242036 in words is "two hundred twenty billion, two hundred three million, two hundred forty-two thousand, thirty-six".