20084776543 has 8 divisors (see below), whose sum is σ = 21631039136. Its totient is φ = 18538696800.

The previous prime is 20084776493. The next prime is 20084776573. The reversal of 20084776543 is 34567748002.

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

It is not a de Polignac number, because 20084776543 - 2²¹ = 20082679391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20084776493 and 20084776502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084776573) 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, 256438 + ... + 325468.

It is an arithmetic number, because the mean of its divisors is an integer number (2703879892).

Almost surely, 2^20084776543 is an apocalyptic number.

20084776543 is a deficient number, since it is larger than the sum of its proper divisors (1546262593).

20084776543 is a wasteful number, since it uses less digits than its factorization.

20084776543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91425.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20084776543 in words is "twenty billion, eighty-four million, seven hundred seventy-six thousand, five hundred forty-three".