20028860084 has 12 divisors (see below), whose sum is σ = 35051570400. Its totient is φ = 10014125688.

The previous prime is 20028860081. The next prime is 20028860087. The reversal of 20028860084 is 48006882002.

It is an interprime number because it is at equal distance from previous prime (20028860081) and next prime (20028860087).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20028860081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140447 + ... + 244505.

It is an arithmetic number, because the mean of its divisors is an integer number (2920964200).

Almost surely, 2^20028860084 is an apocalyptic number.

It is an amenable number.

20028860084 is a deficient number, since it is larger than the sum of its proper divisors (15022710316).

20028860084 is a wasteful number, since it uses less digits than its factorization.

20028860084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152182 (or 152180 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 20028860084 in words is "twenty billion, twenty-eight million, eight hundred sixty thousand, eighty-four".