20110028 has 12 divisors (see below), whose sum is σ = 35232960. Its totient is φ = 10043472.

The previous prime is 20109989. The next prime is 20110043. The reversal of 20110028 is 82001102.

It is a junction number, because it is equal to n+sod(n) for n = 20109994 and 20110021.

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 3 ways as a sum of consecutive naturals, for example, 1925 + ... + 6627.

It is an arithmetic number, because the mean of its divisors is an integer number (2936080).

Almost surely, 2^20110028 is an apocalyptic number.

It is an amenable number.

20110028 is a deficient number, since it is larger than the sum of its proper divisors (15122932).

20110028 is a wasteful number, since it uses less digits than its factorization.

20110028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 20110028 is about 4484.4205868763. The cubic root of 20110028 is about 271.9386215312.

The spelling of 20110028 in words is "twenty million, one hundred ten thousand, twenty-eight".