20133023312 has 10 divisors (see below), whose sum is σ = 39007732698. Its totient is φ = 10066511648.

The previous prime is 20133023311. The next prime is 20133023327. The reversal of 20133023312 is 21332033102.

It can be written as a sum of positive squares in only one way, i.e., 14894737936 + 5238285376 = 122044^2 + 72376^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133023311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629156963 + ... + 629156994.

Almost surely, 2^20133023312 is an apocalyptic number.

It is an amenable number.

20133023312 is a deficient number, since it is larger than the sum of its proper divisors (18874709386).

20133023312 is a wasteful number, since it uses less digits than its factorization.

20133023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258313965 (or 1258313959 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20133023312 its reverse (21332033102), we get a palindrome (41465056414).

The spelling of 20133023312 in words is "twenty billion, one hundred thirty-three million, twenty-three thousand, three hundred twelve".