20113133453 has 16 divisors (see below), whose sum is σ = 23407282560. Its totient is φ = 16924977216.

The previous prime is 20113133431. The next prime is 20113133479. The reversal of 20113133453 is 35433131102.

It is not a de Polignac number, because 20113133453 - 2²⁸ = 19844697997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113132453) 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 in 15 ways as a sum of consecutive naturals, for example, 280475 + ... + 344807.

It is an arithmetic number, because the mean of its divisors is an integer number (1462955160).

Almost surely, 2^20113133453 is an apocalyptic number.

It is an amenable number.

20113133453 is a deficient number, since it is larger than the sum of its proper divisors (3294149107).

20113133453 is an equidigital number, since it uses as much as digits as its factorization.

20113133453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65156.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 20113133453 its reverse (35433131102), we get a palindrome (55546264555).

The spelling of 20113133453 in words is "twenty billion, one hundred thirteen million, one hundred thirty-three thousand, four hundred fifty-three".