20030021300033 has 4 divisors (see below), whose sum is σ = 20130674673600. Its totient is φ = 19929367926468.

The previous prime is 20030021300021. The next prime is 20030021300041. The reversal of 20030021300033 is 33000312003002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20030021300033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030021299984 and 20030021300020.

It is not an unprimeable number, because it can be changed into a prime (20030021300833) 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, 50326686485 + ... + 50326686882.

It is an arithmetic number, because the mean of its divisors is an integer number (5032668668400).

Almost surely, 2^{20030021300033} is an apocalyptic number.

It is an amenable number.

20030021300033 is a deficient number, since it is larger than the sum of its proper divisors (100653373567).

20030021300033 is a wasteful number, since it uses less digits than its factorization.

20030021300033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100653373566.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20030021300033 its reverse (33000312003002), we get a palindrome (53030333303035).

The spelling of 20030021300033 in words is "twenty trillion, thirty billion, twenty-one million, three hundred thousand, thirty-three".