20793804106 has 8 divisors (see below), whose sum is σ = 31233260484. Its totient is φ = 10382717280.

The previous prime is 20793804089. The next prime is 20793804179. The reversal of 20793804106 is 60140839702.

It can be written as a sum of positive squares in 2 ways, for example, as 17946621225 + 2847182881 = 133965^2 + 53359^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7090555 + ... + 7093486.

Almost surely, 2^20793804106 is an apocalyptic number.

20793804106 is a deficient number, since it is larger than the sum of its proper divisors (10439456378).

20793804106 is a wasteful number, since it uses less digits than its factorization.

20793804106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184776.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 20793804106 in words is "twenty billion, seven hundred ninety-three million, eight hundred four thousand, one hundred six".