20032011010309 has 4 divisors (see below), whose sum is σ = 20037253623660. Its totient is φ = 20026768396960.

The previous prime is 20032011010303. The next prime is 20032011010351. The reversal of 20032011010309 is 90301011023002.

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 10377611244900 + 9654399765409 = 3221430^2 + 3107153^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032011010309 - 2³ = 20032011010301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20032011010309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032011010301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621300944 + ... + 2621308585.

It is an arithmetic number, because the mean of its divisors is an integer number (5009313405915).

Almost surely, 2^{20032011010309} is an apocalyptic number.

It is an amenable number.

20032011010309 is a deficient number, since it is larger than the sum of its proper divisors (5242613351).

20032011010309 is an equidigital number, since it uses as much as digits as its factorization.

20032011010309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242613350.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 20032011010309 in words is "twenty trillion, thirty-two billion, eleven million, ten thousand, three hundred nine".