20084771546 has 16 divisors (see below), whose sum is σ = 34765321344. Its totient is φ = 8524188144.

The previous prime is 20084771527. The next prime is 20084771569. The reversal of 20084771546 is 64517748002.

It is a super-2 number, since 2×20084771546² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20084771497 and 20084771506.

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, 6962765 + ... + 6965648.

It is an arithmetic number, because the mean of its divisors is an integer number (2172832584).

Almost surely, 2^20084771546 is an apocalyptic number.

20084771546 is a deficient number, since it is larger than the sum of its proper divisors (14680549798).

20084771546 is a wasteful number, since it uses less digits than its factorization.

20084771546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928525.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 20084771546 in words is "twenty billion, eighty-four million, seven hundred seventy-one thousand, five hundred forty-six".