20534134 has 16 divisors (see below), whose sum is σ = 31811472. Its totient is φ = 9934848.

The previous prime is 20534099. The next prime is 20534141. The reversal of 20534134 is 43143502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (1988217).

Almost surely, 2^20534134 is an apocalyptic number.

20534134 is a deficient number, since it is larger than the sum of its proper divisors (11277338).

20534134 is a wasteful number, since it uses less digits than its factorization.

20534134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20534134 is about 4531.4604709740. The cubic root of 20534134 is about 273.8370014608.

Adding to 20534134 its reverse (43143502), we get a palindrome (63677636).

The spelling of 20534134 in words is "twenty million, five hundred thirty-four thousand, one hundred thirty-four".