20333099999 has 2 divisors, whose sum is σ = 20333100000. Its totient is φ = 20333099998.

The previous prime is 20333099993. The next prime is 20333100001. The reversal of 20333099999 is 99999033302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20333099999 - 2¹² = 20333095903 is a prime.

Together with 20333100001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166549999 + 10166550000.

It is an arithmetic number, because the mean of its divisors is an integer number (10166550000).

Almost surely, 2^20333099999 is an apocalyptic number.

20333099999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333099999 is an equidigital number, since it uses as much as digits as its factorization.

20333099999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3188646, while the sum is 56.

The spelling of 20333099999 in words is "twenty billion, three hundred thirty-three million, ninety-nine thousand, nine hundred ninety-nine".