20105036148253 has 8 divisors (see below), whose sum is σ = 22977436943808. Its totient is φ = 17232698546304.

The previous prime is 20105036148251. The next prime is 20105036148259. The reversal of 20105036148253 is 35284163050102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20105036148253 - 2¹ = 20105036148251 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 (20105036148251) 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 7 ways as a sum of consecutive naturals, for example, 15114676 + ... + 16390957.

It is an arithmetic number, because the mean of its divisors is an integer number (2872179617976).

Almost surely, 2^{20105036148253} is an apocalyptic number.

It is an amenable number.

20105036148253 is a deficient number, since it is larger than the sum of its proper divisors (2872400795555).

20105036148253 is an equidigital number, since it uses as much as digits as its factorization.

20105036148253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31596803.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 20105036148253 its reverse (35284163050102), we get a palindrome (55389199198355).

The spelling of 20105036148253 in words is "twenty trillion, one hundred five billion, thirty-six million, one hundred forty-eight thousand, two hundred fifty-three".