20004166333 has 4 divisors (see below), whose sum is σ = 20332103548. Its totient is φ = 19676229120.

The previous prime is 20004166319. The next prime is 20004166417. The reversal of 20004166333 is 33366140002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2278439289 + 17725727044 = 47733^2 + 133138^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004166333 - 2²⁵ = 19970611901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004167333) by changing a digit.

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, 163968516 + ... + 163968637.

It is an arithmetic number, because the mean of its divisors is an integer number (5083025887).

Almost surely, 2^20004166333 is an apocalyptic number.

It is an amenable number.

20004166333 is a deficient number, since it is larger than the sum of its proper divisors (327937215).

20004166333 is an equidigital number, since it uses as much as digits as its factorization.

20004166333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327937214.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 20004166333 in words is "twenty billion, four million, one hundred sixty-six thousand, three hundred thirty-three".