20040134 has 4 divisors (see below), whose sum is σ = 30060204. Its totient is φ = 10020066.

The previous prime is 20040133. The next prime is 20040151. The reversal of 20040134 is 43104002.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010032 + ... + 5010035.

It is an arithmetic number, because the mean of its divisors is an integer number (7515051).

Almost surely, 2^20040134 is an apocalyptic number.

20040134 is a deficient number, since it is larger than the sum of its proper divisors (10020070).

20040134 is a wasteful number, since it uses less digits than its factorization.

20040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020069.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20040134 is about 4476.6208237911. The cubic root of 20040134 is about 271.6232077387.

Adding to 20040134 its reverse (43104002), we get a palindrome (63144136).

The spelling of 20040134 in words is "twenty million, forty thousand, one hundred thirty-four".