20134755 has 12 divisors (see below), whose sum is σ = 34900320. Its totient is φ = 10738512.

The previous prime is 20134747. The next prime is 20134757. The reversal of 20134755 is 55743102.

It is a happy number.

It is not a de Polignac number, because 20134755 - 2³ = 20134747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223675 + ... + 223764.

It is an arithmetic number, because the mean of its divisors is an integer number (2908360).

Almost surely, 2^20134755 is an apocalyptic number.

20134755 is a deficient number, since it is larger than the sum of its proper divisors (14765565).

20134755 is a wasteful number, since it uses less digits than its factorization.

20134755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447450 (or 447447 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 20134755 is about 4487.1767293032. The cubic root of 20134755 is about 272.0500331476.

Adding to 20134755 its reverse (55743102), we get a palindrome (75877857).

The spelling of 20134755 in words is "twenty million, one hundred thirty-four thousand, seven hundred fifty-five".