20126234133 has 16 divisors (see below), whose sum is σ = 29950359040. Its totient is φ = 13357317312.

The previous prime is 20126234113. The next prime is 20126234147. The reversal of 20126234133 is 33143262102.

20126234133 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 623 + 4 + 1 + 33 = 666.

It is not a de Polignac number, because 20126234133 - 2¹⁸ = 20125971989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20126234097 and 20126234106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126234113) 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, 1665316 + ... + 1677357.

It is an arithmetic number, because the mean of its divisors is an integer number (1871897440).

Almost surely, 2^20126234133 is an apocalyptic number.

It is an amenable number.

20126234133 is a deficient number, since it is larger than the sum of its proper divisors (9824124907).

20126234133 is a wasteful number, since it uses less digits than its factorization.

20126234133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342905 (or 3342899 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20126234133 its reverse (33143262102), we get a palindrome (53269496235).

The spelling of 20126234133 in words is "twenty billion, one hundred twenty-six million, two hundred thirty-four thousand, one hundred thirty-three".