201233020244 has 12 divisors (see below), whose sum is σ = 355274226804. Its totient is φ = 99726098304.

The previous prime is 201233020237. The next prime is 201233020253. The reversal of 201233020244 is 442020332102.

It can be written as a sum of positive squares in 2 ways, for example, as 100736412100 + 100496608144 = 317390^2 + 317012^2 .

It is a super-2 number, since 2×201233020244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222602447 + ... + 222603350.

It is an arithmetic number, because the mean of its divisors is an integer number (29606185567).

Almost surely, 2^201233020244 is an apocalyptic number.

It is an amenable number.

201233020244 is a deficient number, since it is larger than the sum of its proper divisors (154041206560).

201233020244 is a wasteful number, since it uses less digits than its factorization.

201233020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445205914 (or 445205912 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201233020244 its reverse (442020332102), we get a palindrome (643253352346).

The spelling of 201233020244 in words is "two hundred one billion, two hundred thirty-three million, twenty thousand, two hundred forty-four".