20463550256 has 20 divisors (see below), whose sum is σ = 41015306400. Its totient is φ = 9878955072.

The previous prime is 20463550253. The next prime is 20463550273. The reversal of 20463550256 is 65205536402.

It is not an unprimeable number, because it can be changed into a prime (20463550253) by changing a digit.

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, 22050776 + ... + 22051703.

It is an arithmetic number, because the mean of its divisors is an integer number (2050765320).

Almost surely, 2^20463550256 is an apocalyptic number.

It is an amenable number.

20463550256 is an abundant number, since it is smaller than the sum of its proper divisors (20551756144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20463550256 is a wasteful number, since it uses less digits than its factorization.

20463550256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44102516 (or 44102510 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 20463550256 in words is "twenty billion, four hundred sixty-three million, five hundred fifty thousand, two hundred fifty-six".