20000671166 has 16 divisors (see below), whose sum is σ = 34492179456. Its totient is φ = 8520387576.

The previous prime is 20000671151. The next prime is 20000671169. The reversal of 20000671166 is 66117600002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000671169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274966 + ... + 4279641.

It is an arithmetic number, because the mean of its divisors is an integer number (2155761216).

Almost surely, 2^20000671166 is an apocalyptic number.

20000671166 is a deficient number, since it is larger than the sum of its proper divisors (14491508290).

20000671166 is a wasteful number, since it uses less digits than its factorization.

20000671166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554783.

The product of its (nonzero) digits is 3024, while the sum is 29.

It can be divided in two parts, 200006 and 71166, that added together give a palindrome (271172).

The spelling of 20000671166 in words is "twenty billion, six hundred seventy-one thousand, one hundred sixty-six".