20113402101233 has 4 divisors (see below), whose sum is σ = 22986745258560. Its totient is φ = 17240058943908.

The previous prime is 20113402101211. The next prime is 20113402101253. The reversal of 20113402101233 is 33210120431102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20113402101233 - 2¹⁶ = 20113402035697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113402101199 and 20113402101208.

It is not an unprimeable number, because it can be changed into a prime (20113402101253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436671578653 + ... + 1436671578666.

It is an arithmetic number, because the mean of its divisors is an integer number (5746686314640).

Almost surely, 2^{20113402101233} is an apocalyptic number.

It is an amenable number.

20113402101233 is a deficient number, since it is larger than the sum of its proper divisors (2873343157327).

20113402101233 is an equidigital number, since it uses as much as digits as its factorization.

20113402101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873343157326.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20113402101233 its reverse (33210120431102), we get a palindrome (53323522532335).

The spelling of 20113402101233 in words is "twenty trillion, one hundred thirteen billion, four hundred two million, one hundred one thousand, two hundred thirty-three".