20320111033033 has 16 divisors (see below), whose sum is σ = 23622800486400. Its totient is φ = 17118549326736.

The previous prime is 20320111032919. The next prime is 20320111033069. The reversal of 20320111033033 is 33033011102302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20320111033033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320111032995 and 20320111033013.

It is not an unprimeable number, because it can be changed into a prime (20320111030033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48693433 + ... + 49108966.

It is an arithmetic number, because the mean of its divisors is an integer number (1476425030400).

Almost surely, 2^{20320111033033} is an apocalyptic number.

It is an amenable number.

20320111033033 is a deficient number, since it is larger than the sum of its proper divisors (3302689453367).

20320111033033 is an equidigital number, since it uses as much as digits as its factorization.

20320111033033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97802916.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20320111033033 its reverse (33033011102302), we get a palindrome (53353122135335).

The spelling of 20320111033033 in words is "twenty trillion, three hundred twenty billion, one hundred eleven million, thirty-three thousand, thirty-three".