20484026280087 has 8 divisors (see below), whose sum is σ = 27582451229040. Its totient is φ = 13520809425600.

The previous prime is 20484026280019. The next prime is 20484026280089. The reversal of 20484026280087 is 78008262048402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20484026280087 - 2¹⁰ = 20484026279063 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484026280089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33802023262 + ... + 33802023867.

It is an arithmetic number, because the mean of its divisors is an integer number (3447806403630).

Almost surely, 2^{20484026280087} is an apocalyptic number.

20484026280087 is a deficient number, since it is larger than the sum of its proper divisors (7098424948953).

20484026280087 is a wasteful number, since it uses less digits than its factorization.

20484026280087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67604047233.

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 20484026280087 in words is "twenty trillion, four hundred eighty-four billion, twenty-six million, two hundred eighty thousand, eighty-seven".