201330133444 has 12 divisors (see below), whose sum is σ = 384357527568. Its totient is φ = 91513697000.

The previous prime is 201330133441. The next prime is 201330133453. The reversal of 201330133444 is 444331033102.

It is a super-2 number, since 2×201330133444² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201330133441) 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, 2287842382 + ... + 2287842469.

It is an arithmetic number, because the mean of its divisors is an integer number (32029793964).

Almost surely, 2^201330133444 is an apocalyptic number.

It is an amenable number.

201330133444 is a deficient number, since it is larger than the sum of its proper divisors (183027394124).

201330133444 is a wasteful number, since it uses less digits than its factorization.

201330133444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575684866 (or 4575684864 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 201330133444 its reverse (444331033102), we get a palindrome (645661166546).

The spelling of 201330133444 in words is "two hundred one billion, three hundred thirty million, one hundred thirty-three thousand, four hundred forty-four".