20134200133 has 4 divisors (see below), whose sum is σ = 20135457900. Its totient is φ = 20132942368.

The previous prime is 20134200103. The next prime is 20134200167. The reversal of 20134200133 is 33100243102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8872321249 + 11261878884 = 94193^2 + 106122^2 .

It is a cyclic number.

It is not a de Polignac number, because 20134200133 - 2⁵ = 20134200101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20134200133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134200103) 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, 604558 + ... + 636991.

It is an arithmetic number, because the mean of its divisors is an integer number (5033864475).

Almost surely, 2^20134200133 is an apocalyptic number.

It is an amenable number.

20134200133 is a deficient number, since it is larger than the sum of its proper divisors (1257767).

20134200133 is a wasteful number, since it uses less digits than its factorization.

20134200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257766.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20134200133 its reverse (33100243102), we get a palindrome (53234443235).

The spelling of 20134200133 in words is "twenty billion, one hundred thirty-four million, two hundred thousand, one hundred thirty-three".