20534106 has 16 divisors (see below), whose sum is σ = 41112864. Its totient is φ = 6837264.

The previous prime is 20534099. The next prime is 20534141. The reversal of 20534106 is 60143502.

It is a happy number.

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, 8976 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (2569554).

Almost surely, 2^20534106 is an apocalyptic number.

20534106 is an abundant number, since it is smaller than the sum of its proper divisors (20578758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20534106 is a wasteful number, since it uses less digits than its factorization.

20534106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20534106 is about 4531.4573814613. The cubic root of 20534106 is about 273.8368769942.

Adding to 20534106 its reverse (60143502), we get a palindrome (80677608).

The spelling of 20534106 in words is "twenty million, five hundred thirty-four thousand, one hundred six".