20534122 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 8730288.

The previous prime is 20534099. The next prime is 20534141. The reversal of 20534122 is 22143502.

It is a self number, because there is not a number n which added to its sum of digits gives 20534122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3997 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^20534122 is an apocalyptic number.

20534122 is a deficient number, since it is larger than the sum of its proper divisors (14947478).

20534122 is a wasteful number, since it uses less digits than its factorization.

20534122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20534122 is about 4531.4591468974. The cubic root of 20534122 is about 273.8369481180.

Adding to 20534122 its reverse (22143502), we get a palindrome (42677624).

The spelling of 20534122 in words is "twenty million, five hundred thirty-four thousand, one hundred twenty-two".