20130005452 has 6 divisors (see below), whose sum is σ = 35227509548. Its totient is φ = 10065002724.

The previous prime is 20130005407. The next prime is 20130005453. The reversal of 20130005452 is 25450003102.

It is not an unprimeable number, because it can be changed into a prime (20130005453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516250678 + ... + 2516250685.

Almost surely, 2^20130005452 is an apocalyptic number.

It is an amenable number.

20130005452 is a deficient number, since it is larger than the sum of its proper divisors (15097504096).

20130005452 is a wasteful number, since it uses less digits than its factorization.

20130005452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032501367 (or 5032501365 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20130005452 its reverse (25450003102), we get a palindrome (45580008554).

The spelling of 20130005452 in words is "twenty billion, one hundred thirty million, five thousand, four hundred fifty-two".