20000166835 has 12 divisors (see below), whose sum is σ = 26380386144. Its totient is φ = 14545575440.

The previous prime is 20000166793. The next prime is 20000166847. The reversal of 20000166835 is 53866100002.

It is not a de Polignac number, because 20000166835 - 2⁹ = 20000166323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000166797 and 20000166806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16528459 + ... + 16529668.

It is an arithmetic number, because the mean of its divisors is an integer number (2198365512).

Almost surely, 2^20000166835 is an apocalyptic number.

20000166835 is a deficient number, since it is larger than the sum of its proper divisors (6380219309).

20000166835 is a wasteful number, since it uses less digits than its factorization.

20000166835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058154 (or 33058143 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20000166835 its reverse (53866100002), we get a palindrome (73866266837).

The spelling of 20000166835 in words is "twenty billion, one hundred sixty-six thousand, eight hundred thirty-five".