20313134565253 has 16 divisors (see below), whose sum is σ = 20373128036352. Its totient is φ = 20253261006000.

The previous prime is 20313134565239. The next prime is 20313134565287. The reversal of 20313134565253 is 35256543131302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313134565253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313134565953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114688500 + ... + 1114706722.

It is an arithmetic number, because the mean of its divisors is an integer number (1273320502272).

Almost surely, 2^{20313134565253} is an apocalyptic number.

It is an amenable number.

20313134565253 is a deficient number, since it is larger than the sum of its proper divisors (59993471099).

20313134565253 is a wasteful number, since it uses less digits than its factorization.

20313134565253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336.

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 20313134565253 its reverse (35256543131302), we get a palindrome (55569677696555).

The spelling of 20313134565253 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-four million, five hundred sixty-five thousand, two hundred fifty-three".