20333219089 has 2 divisors, whose sum is σ = 20333219090. Its totient is φ = 20333219088.

The previous prime is 20333219077. The next prime is 20333219107. The reversal of 20333219089 is 98091233302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13307929600 + 7025289489 = 115360^2 + 83817^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333219089 - 2¹³ = 20333210897 is a prime.

It is not a weakly prime, because it can be changed into another prime (20333219059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166609544 + 10166609545.

It is an arithmetic number, because the mean of its divisors is an integer number (10166609545).

Almost surely, 2^20333219089 is an apocalyptic number.

It is an amenable number.

20333219089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333219089 is an equidigital number, since it uses as much as digits as its factorization.

20333219089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 20333219089 in words is "twenty billion, three hundred thirty-three million, two hundred nineteen thousand, eighty-nine".