20133310009 has 8 divisors (see below), whose sum is σ = 20393198280. Its totient is φ = 19874489856.

The previous prime is 20133309997. The next prime is 20133310027. The reversal of 20133310009 is 90001333102.

It can be written as a sum of positive squares in 4 ways, for example, as 95491984 + 20037818025 = 9772^2 + 141555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20133310009 - 2¹⁷ = 20133178937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133310039) 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, 229054 + ... + 304519.

It is an arithmetic number, because the mean of its divisors is an integer number (2549149785).

Almost surely, 2^20133310009 is an apocalyptic number.

It is an amenable number.

20133310009 is a deficient number, since it is larger than the sum of its proper divisors (259888271).

20133310009 is an equidigital number, since it uses as much as digits as its factorization.

20133310009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534059.

The product of its (nonzero) digits is 486, while the sum is 22.

The spelling of 20133310009 in words is "twenty billion, one hundred thirty-three million, three hundred ten thousand, nine".