20910028184 has 16 divisors (see below), whose sum is σ = 39208507920. Its totient is φ = 10454426080.

The previous prime is 20910028141. The next prime is 20910028211. The reversal of 20910028184 is 48182001902.

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 3 ways as a sum of consecutive naturals, for example, 102389 + ... + 228699.

It is an arithmetic number, because the mean of its divisors is an integer number (2450531745).

Almost surely, 2^20910028184 is an apocalyptic number.

It is an amenable number.

20910028184 is a deficient number, since it is larger than the sum of its proper divisors (18298479736).

20910028184 is a wasteful number, since it uses less digits than its factorization.

20910028184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147010 (or 147006 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 20910028184 in words is "twenty billion, nine hundred ten million, twenty-eight thousand, one hundred eighty-four".