20133243244 has 6 divisors (see below), whose sum is σ = 35233175684. Its totient is φ = 10066621620.

The previous prime is 20133243227. The next prime is 20133243311. The reversal of 20133243244 is 44234233102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516655402 + ... + 2516655409.

Almost surely, 2^20133243244 is an apocalyptic number.

It is an amenable number.

20133243244 is a deficient number, since it is larger than the sum of its proper divisors (15099932440).

20133243244 is a wasteful number, since it uses less digits than its factorization.

20133243244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033310815 (or 5033310813 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20133243244 its reverse (44234233102), we get a palindrome (64367476346).

The spelling of 20133243244 in words is "twenty billion, one hundred thirty-three million, two hundred forty-three thousand, two hundred forty-four".