20477714463 has 64 divisors (see below), whose sum is σ = 33038046720. Its totient is φ = 12486928896.

The previous prime is 20477714441. The next prime is 20477714483. The reversal of 20477714463 is 36441777402.

It is not a de Polignac number, because 20477714463 - 2⁶ = 20477714399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20477714483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2599056 + ... + 2606922.

It is an arithmetic number, because the mean of its divisors is an integer number (516219480).

Almost surely, 2^20477714463 is an apocalyptic number.

20477714463 is a deficient number, since it is larger than the sum of its proper divisors (12560332257).

20477714463 is a wasteful number, since it uses less digits than its factorization.

20477714463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053 (or 8047 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 20477714463 in words is "twenty billion, four hundred seventy-seven million, seven hundred fourteen thousand, four hundred sixty-three".