20130455452 has 6 divisors (see below), whose sum is σ = 35228297048. Its totient is φ = 10065227724.

The previous prime is 20130455417. The next prime is 20130455503. The reversal of 20130455452 is 25455403102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516306928 + ... + 2516306935.

Almost surely, 2^20130455452 is an apocalyptic number.

It is an amenable number.

20130455452 is a deficient number, since it is larger than the sum of its proper divisors (15097841596).

20130455452 is a wasteful number, since it uses less digits than its factorization.

20130455452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032613867 (or 5032613865 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 20130455452 its reverse (25455403102), we get a palindrome (45585858554).

The spelling of 20130455452 in words is "twenty billion, one hundred thirty million, four hundred fifty-five thousand, four hundred fifty-two".