20010000221033 has 4 divisors (see below), whose sum is σ = 20114764620288. Its totient is φ = 19905235821780.

The previous prime is 20010000221017. The next prime is 20010000221047. The reversal of 20010000221033 is 33012200001002.

It is a happy number.

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 not a de Polignac number, because 20010000221033 - 2⁴ = 20010000221017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20010000220999 and 20010000221017.

It is not an unprimeable number, because it can be changed into a prime (20010000221063) 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, 52382199341 + ... + 52382199722.

It is an arithmetic number, because the mean of its divisors is an integer number (5028691155072).

Almost surely, 2^{20010000221033} is an apocalyptic number.

It is an amenable number.

20010000221033 is a deficient number, since it is larger than the sum of its proper divisors (104764399255).

20010000221033 is a wasteful number, since it uses less digits than its factorization.

20010000221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104764399254.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010000221033 its reverse (33012200001002), we get a palindrome (53022200222035).

The spelling of 20010000221033 in words is "twenty trillion, ten billion, two hundred twenty-one thousand, thirty-three".