20113103253 has 8 divisors (see below), whose sum is σ = 26843040000. Its totient is φ = 13395951008.

The previous prime is 20113103221. The next prime is 20113103267. The reversal of 20113103253 is 35230131102.

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 20113103253 - 2⁵ = 20113103221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113103293) 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, 3192453 + ... + 3198746.

It is an arithmetic number, because the mean of its divisors is an integer number (3355380000).

Almost surely, 2^20113103253 is an apocalyptic number.

It is an amenable number.

20113103253 is a deficient number, since it is larger than the sum of its proper divisors (6729936747).

20113103253 is a wasteful number, since it uses less digits than its factorization.

20113103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392251.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 20113103253 its reverse (35230131102), we get a palindrome (55343234355).

The spelling of 20113103253 in words is "twenty billion, one hundred thirteen million, one hundred three thousand, two hundred fifty-three".