20550793084 has 12 divisors (see below), whose sum is σ = 35965377000. Its totient is φ = 10274971088.

The previous prime is 20550793069. The next prime is 20550793097. The reversal of 20550793084 is 48039705502.

It is a self number, because there is not a number n which added to its sum of digits gives 20550793084.

It is a congruent number.

It is an unprimeable number.

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, 18642 + ... + 203590.

It is an arithmetic number, because the mean of its divisors is an integer number (2997114750).

Almost surely, 2^20550793084 is an apocalyptic number.

It is an amenable number.

20550793084 is a deficient number, since it is larger than the sum of its proper divisors (15414583916).

20550793084 is a wasteful number, since it uses less digits than its factorization.

20550793084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212732 (or 212730 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 20550793084 in words is "twenty billion, five hundred fifty million, seven hundred ninety-three thousand, eighty-four".