20028106 has 16 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 8462160.

The previous prime is 20028097. The next prime is 20028119. The reversal of 20028106 is 60182002.

It is a happy number.

It is a super-2 number, since 2×20028106² = 802250059894472, which contains 22 as substring.

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, 9081 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2^20028106 is an apocalyptic number.

20028106 is a deficient number, since it is larger than the sum of its proper divisors (14791094).

20028106 is a wasteful number, since it uses less digits than its factorization.

20028106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20028106 is about 4475.2771981186. The cubic root of 20028106 is about 271.5688545128.

The spelling of 20028106 in words is "twenty million, twenty-eight thousand, one hundred six".