20486355254 has 16 divisors (see below), whose sum is σ = 32071304160. Its totient is φ = 9796079040.

The previous prime is 20486355167. The next prime is 20486355271. The reversal of 20486355254 is 45255368402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243524 + ... + 316664.

It is an arithmetic number, because the mean of its divisors is an integer number (2004456510).

Almost surely, 2^20486355254 is an apocalyptic number.

20486355254 is a deficient number, since it is larger than the sum of its proper divisors (11584948906).

20486355254 is a wasteful number, since it uses less digits than its factorization.

20486355254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79255.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 20486355254 in words is "twenty billion, four hundred eighty-six million, three hundred fifty-five thousand, two hundred fifty-four".