20773584105 has 16 divisors (see below), whose sum is σ = 33242762880. Its totient is φ = 11077568768.

The previous prime is 20773584079. The next prime is 20773584131. The reversal of 20773584105 is 50148537702.

It is an interprime number because it is at equal distance from previous prime (20773584079) and next prime (20773584131).

It is a cyclic number.

It is not a de Polignac number, because 20773584105 - 2⁸ = 20773583849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 203834.

It is an arithmetic number, because the mean of its divisors is an integer number (2077672680).

Almost surely, 2^20773584105 is an apocalyptic number.

It is an amenable number.

20773584105 is a deficient number, since it is larger than the sum of its proper divisors (12469178775).

20773584105 is a wasteful number, since it uses less digits than its factorization.

20773584105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209520.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 20773584105 in words is "twenty billion, seven hundred seventy-three million, five hundred eighty-four thousand, one hundred five".