20534606 has 12 divisors (see below), whose sum is σ = 32721288. Its totient is φ = 9663072.

The previous prime is 20534603. The next prime is 20534669. The reversal of 20534606 is 60643502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17186 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (2726774).

Almost surely, 2^20534606 is an apocalyptic number.

20534606 is a deficient number, since it is larger than the sum of its proper divisors (12186682).

20534606 is a wasteful number, since it uses less digits than its factorization.

20534606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35563 (or 35546 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20534606 is about 4531.5125510143. The cubic root of 20534606 is about 273.8390995944.

The spelling of 20534606 in words is "twenty million, five hundred thirty-four thousand, six hundred six".