20303133434411 has 4 divisors (see below), whose sum is σ = 20512444088472. Its totient is φ = 20093822780352.

The previous prime is 20303133434407. The next prime is 20303133434429. The reversal of 20303133434411 is 11443433130302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20303133434411 - 2² = 20303133434407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303133434401) 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, 104655326885 + ... + 104655327078.

It is an arithmetic number, because the mean of its divisors is an integer number (5128111022118).

Almost surely, 2^{20303133434411} is an apocalyptic number.

20303133434411 is a deficient number, since it is larger than the sum of its proper divisors (209310654061).

20303133434411 is an equidigital number, since it uses as much as digits as its factorization.

20303133434411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209310654060.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 20303133434411 its reverse (11443433130302), we get a palindrome (31746566564713).

The spelling of 20303133434411 in words is "twenty trillion, three hundred three billion, one hundred thirty-three million, four hundred thirty-four thousand, four hundred eleven".