19928028110 has 16 divisors (see below), whose sum is σ = 36006844896. Its totient is φ = 7940901408.

The previous prime is 19928028101. The next prime is 19928028139. The reversal of 19928028110 is 1182082991.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3785969 + ... + 3791228.

It is an arithmetic number, because the mean of its divisors is an integer number (2250427806).

Almost surely, 2^19928028110 is an apocalyptic number.

19928028110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19928028110 is a deficient number, since it is larger than the sum of its proper divisors (16078816786).

19928028110 is a wasteful number, since it uses less digits than its factorization.

19928028110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577467.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 19928028110 in words is "nineteen billion, nine hundred twenty-eight million, twenty-eight thousand, one hundred ten".